java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-queue_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:49:36,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:49:36,168 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:49:36,179 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:49:36,180 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:49:36,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:49:36,181 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:49:36,183 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:49:36,184 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:49:36,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:49:36,186 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:49:36,186 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:49:36,187 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:49:36,188 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:49:36,188 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:49:36,190 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:49:36,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:49:36,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:49:36,194 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:49:36,195 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:49:36,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 03:49:36,201 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 03:49:36,201 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 03:49:36,201 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 03:49:36,211 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:49:36,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:49:36,212 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:49:36,212 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:49:36,212 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:49:36,213 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:49:36,213 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:49:36,213 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:49:36,213 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:49:36,213 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:49:36,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:49:36,213 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:49:36,214 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:49:36,214 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:49:36,214 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:49:36,214 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:49:36,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:49:36,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:49:36,214 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:49:36,215 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:49:36,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:49:36,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:49:36,215 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:49:36,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:49:36,253 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:49:36,256 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:49:36,257 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:49:36,258 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:49:36,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:49:36,409 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:49:36,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:49:36,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:49:36,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:49:36,416 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:49:36,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:49:36" (1/1) ... [2018-02-04 03:49:36,420 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 03:49:36, skipping insertion in model container [2018-02-04 03:49:36,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:49:36" (1/1) ... [2018-02-04 03:49:36,434 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:49:36,464 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:49:36,559 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:49:36,574 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:49:36,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36 WrapperNode [2018-02-04 03:49:36,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:49:36,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:49:36,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:49:36,581 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:49:36,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36" (1/1) ... [2018-02-04 03:49:36,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36" (1/1) ... [2018-02-04 03:49:36,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36" (1/1) ... [2018-02-04 03:49:36,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36" (1/1) ... [2018-02-04 03:49:36,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36" (1/1) ... [2018-02-04 03:49:36,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36" (1/1) ... [2018-02-04 03:49:36,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36" (1/1) ... [2018-02-04 03:49:36,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:49:36,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:49:36,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:49:36,612 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:49:36,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:49:36,646 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:49:36,646 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:49:36,646 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:49:36,646 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 03:49:36,646 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 03:49:36,646 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 03:49:36,646 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 03:49:36,647 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:49:36,647 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:49:36,647 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:49:36,647 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 03:49:36,647 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 03:49:36,647 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 03:49:36,647 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 03:49:36,647 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:49:36,648 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:49:36,648 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:49:37,003 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:49:37,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:49:37 BoogieIcfgContainer [2018-02-04 03:49:37,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:49:37,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:49:37,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:49:37,008 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:49:37,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:49:36" (1/3) ... [2018-02-04 03:49:37,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1409ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:49:37, skipping insertion in model container [2018-02-04 03:49:37,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:49:36" (2/3) ... [2018-02-04 03:49:37,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1409ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:49:37, skipping insertion in model container [2018-02-04 03:49:37,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:49:37" (3/3) ... [2018-02-04 03:49:37,011 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-queue_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:49:37,018 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:49:37,028 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-02-04 03:49:37,051 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:49:37,051 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:49:37,051 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:49:37,051 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:49:37,051 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:49:37,051 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:49:37,051 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:49:37,052 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:49:37,052 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:49:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-02-04 03:49:37,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:49:37,070 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:37,070 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:37,070 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:37,075 INFO L82 PathProgramCache]: Analyzing trace with hash 865717012, now seen corresponding path program 1 times [2018-02-04 03:49:37,114 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:37,148 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,195 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:37,195 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:49:37,196 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,196 INFO L182 omatonBuilderFactory]: Interpolants [165#true, 166#false, 167#(= 1 (select |#valid| |main_#t~malloc0.base|)), 168#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:49:37,197 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 03:49:37,197 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:49:37,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:49:37,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:49:37,269 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2018-02-04 03:49:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:37,456 INFO L93 Difference]: Finished difference Result 164 states and 175 transitions. [2018-02-04 03:49:37,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:49:37,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:49:37,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:37,464 INFO L225 Difference]: With dead ends: 164 [2018-02-04 03:49:37,464 INFO L226 Difference]: Without dead ends: 160 [2018-02-04 03:49:37,465 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:49:37,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-02-04 03:49:37,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 152. [2018-02-04 03:49:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-02-04 03:49:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 164 transitions. [2018-02-04 03:49:37,491 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 164 transitions. Word has length 8 [2018-02-04 03:49:37,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:37,492 INFO L432 AbstractCegarLoop]: Abstraction has 152 states and 164 transitions. [2018-02-04 03:49:37,492 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:49:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 164 transitions. [2018-02-04 03:49:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:49:37,492 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:37,492 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:37,492 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:37,492 INFO L82 PathProgramCache]: Analyzing trace with hash 865717013, now seen corresponding path program 1 times [2018-02-04 03:49:37,493 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:37,502 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,538 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:37,538 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:49:37,538 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,539 INFO L182 omatonBuilderFactory]: Interpolants [487#true, 488#false, 489#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 490#(and (= (select |#length| main_~head~0.base) 8) (= main_~head~0.offset 0))] [2018-02-04 03:49:37,539 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 03:49:37,540 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:49:37,540 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:49:37,540 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:49:37,540 INFO L87 Difference]: Start difference. First operand 152 states and 164 transitions. Second operand 4 states. [2018-02-04 03:49:37,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:37,643 INFO L93 Difference]: Finished difference Result 146 states and 156 transitions. [2018-02-04 03:49:37,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:49:37,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:49:37,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:37,645 INFO L225 Difference]: With dead ends: 146 [2018-02-04 03:49:37,645 INFO L226 Difference]: Without dead ends: 146 [2018-02-04 03:49:37,646 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:49:37,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-02-04 03:49:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142. [2018-02-04 03:49:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 03:49:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 153 transitions. [2018-02-04 03:49:37,655 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 153 transitions. Word has length 8 [2018-02-04 03:49:37,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:37,656 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 153 transitions. [2018-02-04 03:49:37,656 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:49:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2018-02-04 03:49:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 03:49:37,656 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:37,657 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:37,657 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:37,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1721247779, now seen corresponding path program 1 times [2018-02-04 03:49:37,658 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:37,693 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,758 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:37,759 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:49:37,759 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,759 INFO L182 omatonBuilderFactory]: Interpolants [784#(= 1 (select |#valid| main_~item~0.base)), 781#true, 782#false, 783#(= (select |#valid| main_~head~0.base) 1)] [2018-02-04 03:49:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,760 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:49:37,760 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:49:37,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:49:37,760 INFO L87 Difference]: Start difference. First operand 142 states and 153 transitions. Second operand 4 states. [2018-02-04 03:49:37,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:37,833 INFO L93 Difference]: Finished difference Result 147 states and 157 transitions. [2018-02-04 03:49:37,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:49:37,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-02-04 03:49:37,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:37,834 INFO L225 Difference]: With dead ends: 147 [2018-02-04 03:49:37,834 INFO L226 Difference]: Without dead ends: 147 [2018-02-04 03:49:37,834 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:49:37,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-02-04 03:49:37,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 142. [2018-02-04 03:49:37,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 03:49:37,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 155 transitions. [2018-02-04 03:49:37,839 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 155 transitions. Word has length 15 [2018-02-04 03:49:37,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:37,839 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 155 transitions. [2018-02-04 03:49:37,840 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:49:37,840 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 155 transitions. [2018-02-04 03:49:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 03:49:37,840 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:37,840 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:37,840 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:37,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1721247778, now seen corresponding path program 1 times [2018-02-04 03:49:37,841 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:37,854 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,924 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:37,926 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:49:37,926 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,927 INFO L182 omatonBuilderFactory]: Interpolants [1076#true, 1077#false, 1078#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 1079#(and (= 0 main_~head~0.offset) (= 8 (select |#length| main_~head~0.base))), 1080#(and (= 0 main_~head~0.offset) (= 8 (select |#length| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 1081#(and (= 8 (select |#length| main_~item~0.base)) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.offset 0)), 1082#(and (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0))] [2018-02-04 03:49:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:37,927 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:49:37,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:49:37,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:49:37,928 INFO L87 Difference]: Start difference. First operand 142 states and 155 transitions. Second operand 7 states. [2018-02-04 03:49:38,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:38,192 INFO L93 Difference]: Finished difference Result 223 states and 238 transitions. [2018-02-04 03:49:38,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:49:38,194 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-02-04 03:49:38,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:38,196 INFO L225 Difference]: With dead ends: 223 [2018-02-04 03:49:38,196 INFO L226 Difference]: Without dead ends: 223 [2018-02-04 03:49:38,196 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:49:38,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-02-04 03:49:38,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 148. [2018-02-04 03:49:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 03:49:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 161 transitions. [2018-02-04 03:49:38,204 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 161 transitions. Word has length 15 [2018-02-04 03:49:38,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:38,204 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 161 transitions. [2018-02-04 03:49:38,204 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:49:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 161 transitions. [2018-02-04 03:49:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:49:38,204 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:38,205 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:38,205 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:38,205 INFO L82 PathProgramCache]: Analyzing trace with hash -78043106, now seen corresponding path program 1 times [2018-02-04 03:49:38,205 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:38,217 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,263 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:38,263 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:49:38,263 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,264 INFO L182 omatonBuilderFactory]: Interpolants [1464#true, 1465#false, 1466#(= 1 (select |#valid| |main_#t~malloc4.base|)), 1467#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))), 1468#(= 1 (select |#valid| |main_#t~mem6.base|)), 1469#(= 1 (select |#valid| main_~item~0.base))] [2018-02-04 03:49:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,265 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:49:38,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:49:38,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:49:38,265 INFO L87 Difference]: Start difference. First operand 148 states and 161 transitions. Second operand 6 states. [2018-02-04 03:49:38,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:38,430 INFO L93 Difference]: Finished difference Result 242 states and 260 transitions. [2018-02-04 03:49:38,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:49:38,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 03:49:38,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:38,431 INFO L225 Difference]: With dead ends: 242 [2018-02-04 03:49:38,432 INFO L226 Difference]: Without dead ends: 242 [2018-02-04 03:49:38,432 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:49:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-02-04 03:49:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 147. [2018-02-04 03:49:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-04 03:49:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 160 transitions. [2018-02-04 03:49:38,435 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 160 transitions. Word has length 18 [2018-02-04 03:49:38,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:38,435 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 160 transitions. [2018-02-04 03:49:38,435 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:49:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 160 transitions. [2018-02-04 03:49:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:49:38,436 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:38,436 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:38,436 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:38,436 INFO L82 PathProgramCache]: Analyzing trace with hash -78043105, now seen corresponding path program 1 times [2018-02-04 03:49:38,437 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:38,443 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,485 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:38,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:49:38,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,485 INFO L182 omatonBuilderFactory]: Interpolants [1866#true, 1867#false, 1868#(and (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 1869#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 1870#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 1871#(and (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0))] [2018-02-04 03:49:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,486 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:49:38,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:49:38,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:49:38,486 INFO L87 Difference]: Start difference. First operand 147 states and 160 transitions. Second operand 6 states. [2018-02-04 03:49:38,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:38,683 INFO L93 Difference]: Finished difference Result 244 states and 265 transitions. [2018-02-04 03:49:38,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:49:38,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 03:49:38,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:38,685 INFO L225 Difference]: With dead ends: 244 [2018-02-04 03:49:38,685 INFO L226 Difference]: Without dead ends: 244 [2018-02-04 03:49:38,685 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:49:38,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-02-04 03:49:38,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 135. [2018-02-04 03:49:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 03:49:38,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 147 transitions. [2018-02-04 03:49:38,689 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 147 transitions. Word has length 18 [2018-02-04 03:49:38,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:38,690 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 147 transitions. [2018-02-04 03:49:38,690 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:49:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 147 transitions. [2018-02-04 03:49:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 03:49:38,691 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:38,691 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 03:49:38,691 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:38,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1676211553, now seen corresponding path program 1 times [2018-02-04 03:49:38,692 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:38,701 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,767 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:38,767 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:49:38,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,768 INFO L182 omatonBuilderFactory]: Interpolants [2262#true, 2263#false, 2264#(and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 2265#(and (= 0 |main_#t~mem25.base|) (= 0 |main_#t~mem25.offset|)), 2266#(and (= 0 main_~item~0.base) (= main_~item~0.offset 0)), 2267#(not |main_#t~short27|)] [2018-02-04 03:49:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,768 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:49:38,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:49:38,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:49:38,769 INFO L87 Difference]: Start difference. First operand 135 states and 147 transitions. Second operand 6 states. [2018-02-04 03:49:38,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:38,898 INFO L93 Difference]: Finished difference Result 218 states and 234 transitions. [2018-02-04 03:49:38,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:49:38,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-02-04 03:49:38,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:38,899 INFO L225 Difference]: With dead ends: 218 [2018-02-04 03:49:38,899 INFO L226 Difference]: Without dead ends: 218 [2018-02-04 03:49:38,899 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 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 03:49:38,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-02-04 03:49:38,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 194. [2018-02-04 03:49:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-02-04 03:49:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 224 transitions. [2018-02-04 03:49:38,902 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 224 transitions. Word has length 28 [2018-02-04 03:49:38,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:38,902 INFO L432 AbstractCegarLoop]: Abstraction has 194 states and 224 transitions. [2018-02-04 03:49:38,902 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:49:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 224 transitions. [2018-02-04 03:49:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 03:49:38,903 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:38,903 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 03:49:38,903 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:38,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1668173361, now seen corresponding path program 1 times [2018-02-04 03:49:38,903 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:38,908 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,933 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:38,933 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:49:38,933 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,933 INFO L182 omatonBuilderFactory]: Interpolants [2688#(= 0 main_~status~0), 2686#true, 2687#false] [2018-02-04 03:49:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,934 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 03:49:38,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 03:49:38,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:49:38,934 INFO L87 Difference]: Start difference. First operand 194 states and 224 transitions. Second operand 3 states. [2018-02-04 03:49:38,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:38,951 INFO L93 Difference]: Finished difference Result 174 states and 188 transitions. [2018-02-04 03:49:38,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 03:49:38,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-02-04 03:49:38,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:38,952 INFO L225 Difference]: With dead ends: 174 [2018-02-04 03:49:38,952 INFO L226 Difference]: Without dead ends: 174 [2018-02-04 03:49:38,952 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:49:38,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-02-04 03:49:38,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 156. [2018-02-04 03:49:38,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 03:49:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 169 transitions. [2018-02-04 03:49:38,956 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 169 transitions. Word has length 28 [2018-02-04 03:49:38,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:38,957 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 169 transitions. [2018-02-04 03:49:38,957 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 03:49:38,957 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 169 transitions. [2018-02-04 03:49:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-04 03:49:38,958 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:38,958 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 03:49:38,958 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:38,958 INFO L82 PathProgramCache]: Analyzing trace with hash -366492937, now seen corresponding path program 1 times [2018-02-04 03:49:38,959 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:38,966 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,990 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:38,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:49:38,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,991 INFO L182 omatonBuilderFactory]: Interpolants [3019#true, 3020#false, 3021#(not (= 0 |main_#t~malloc0.base|)), 3022#(not (= 0 main_~head~0.base))] [2018-02-04 03:49:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:38,991 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:49:38,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:49:38,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:49:38,992 INFO L87 Difference]: Start difference. First operand 156 states and 169 transitions. Second operand 4 states. [2018-02-04 03:49:39,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:39,022 INFO L93 Difference]: Finished difference Result 156 states and 168 transitions. [2018-02-04 03:49:39,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:49:39,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-02-04 03:49:39,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:39,024 INFO L225 Difference]: With dead ends: 156 [2018-02-04 03:49:39,024 INFO L226 Difference]: Without dead ends: 156 [2018-02-04 03:49:39,024 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:49:39,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-02-04 03:49:39,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-02-04 03:49:39,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 03:49:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2018-02-04 03:49:39,027 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 29 [2018-02-04 03:49:39,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:39,028 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2018-02-04 03:49:39,028 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:49:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2018-02-04 03:49:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 03:49:39,029 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:39,029 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] [2018-02-04 03:49:39,029 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:39,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1827708399, now seen corresponding path program 1 times [2018-02-04 03:49:39,030 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:39,038 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,125 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:39,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 03:49:39,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,125 INFO L182 omatonBuilderFactory]: Interpolants [3344#(and (= 0 main_~head~0.base) (= main_~head~0.offset 0)), 3337#true, 3338#false, 3339#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem25.base|) (= |main_#t~mem25.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3340#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~item~0.base) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3341#(or |main_#t~short27| (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 3342#(and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3343#(and (= 0 |main_#t~mem31.offset|) (= 0 |main_#t~mem31.base|))] [2018-02-04 03:49:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,126 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:49:39,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:49:39,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:49:39,126 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand 8 states. [2018-02-04 03:49:39,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:39,251 INFO L93 Difference]: Finished difference Result 185 states and 201 transitions. [2018-02-04 03:49:39,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:49:39,252 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-02-04 03:49:39,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:39,253 INFO L225 Difference]: With dead ends: 185 [2018-02-04 03:49:39,253 INFO L226 Difference]: Without dead ends: 185 [2018-02-04 03:49:39,253 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:49:39,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-02-04 03:49:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 167. [2018-02-04 03:49:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-02-04 03:49:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 180 transitions. [2018-02-04 03:49:39,257 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 180 transitions. Word has length 33 [2018-02-04 03:49:39,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:39,257 INFO L432 AbstractCegarLoop]: Abstraction has 167 states and 180 transitions. [2018-02-04 03:49:39,257 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:49:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2018-02-04 03:49:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 03:49:39,258 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:39,258 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] [2018-02-04 03:49:39,258 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:39,259 INFO L82 PathProgramCache]: Analyzing trace with hash -824386741, now seen corresponding path program 1 times [2018-02-04 03:49:39,259 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:39,268 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:39,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,332 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:39,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-02-04 03:49:39,332 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,333 INFO L182 omatonBuilderFactory]: Interpolants [3705#true, 3706#false, 3707#(= |#valid| |old(#valid)|), 3708#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 3709#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 3710#(and (= (store |#valid| main_~item~0.base 0) |old(#valid)|) (not (= 0 main_~item~0.base)))] [2018-02-04 03:49:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,333 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:49:39,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:49:39,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:49:39,334 INFO L87 Difference]: Start difference. First operand 167 states and 180 transitions. Second operand 6 states. [2018-02-04 03:49:39,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:39,513 INFO L93 Difference]: Finished difference Result 177 states and 189 transitions. [2018-02-04 03:49:39,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:49:39,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-02-04 03:49:39,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:39,515 INFO L225 Difference]: With dead ends: 177 [2018-02-04 03:49:39,516 INFO L226 Difference]: Without dead ends: 156 [2018-02-04 03:49:39,516 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:49:39,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-02-04 03:49:39,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-02-04 03:49:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 03:49:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2018-02-04 03:49:39,519 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 34 [2018-02-04 03:49:39,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:39,519 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2018-02-04 03:49:39,520 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:49:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2018-02-04 03:49:39,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 03:49:39,521 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:39,521 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:39,521 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:39,521 INFO L82 PathProgramCache]: Analyzing trace with hash 794126113, now seen corresponding path program 1 times [2018-02-04 03:49:39,522 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:39,532 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,553 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:39,553 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:49:39,554 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,554 INFO L182 omatonBuilderFactory]: Interpolants [4052#true, 4053#false, 4054#(= main_~status~0 1)] [2018-02-04 03:49:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,554 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 03:49:39,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 03:49:39,555 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:49:39,555 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand 3 states. [2018-02-04 03:49:39,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:39,573 INFO L93 Difference]: Finished difference Result 228 states and 246 transitions. [2018-02-04 03:49:39,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 03:49:39,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-02-04 03:49:39,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:39,575 INFO L225 Difference]: With dead ends: 228 [2018-02-04 03:49:39,575 INFO L226 Difference]: Without dead ends: 228 [2018-02-04 03:49:39,575 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:49:39,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-02-04 03:49:39,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 178. [2018-02-04 03:49:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-02-04 03:49:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 191 transitions. [2018-02-04 03:49:39,579 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 191 transitions. Word has length 45 [2018-02-04 03:49:39,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:39,579 INFO L432 AbstractCegarLoop]: Abstraction has 178 states and 191 transitions. [2018-02-04 03:49:39,579 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 03:49:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 191 transitions. [2018-02-04 03:49:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:49:39,580 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:39,580 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:39,581 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:39,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1588040751, now seen corresponding path program 1 times [2018-02-04 03:49:39,581 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:39,593 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,766 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:39,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:49:39,766 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,767 INFO L182 omatonBuilderFactory]: Interpolants [4461#true, 4462#false, 4463#(= (select |#valid| main_~head~0.base) 1), 4464#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 4465#(and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base)), 4466#(and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 4467#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|))), 4468#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base))), 4469#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base))), 4470#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 4471#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 4472#(or (= 1 (select |#valid| |main_#t~mem25.base|)) (= main_~status~0 0)), 4473#(or (= main_~status~0 0) (= 1 (select |#valid| main_~item~0.base))), 4474#(or |main_#t~short29| (= 1 (select |#valid| main_~item~0.base))), 4475#(= 1 (select |#valid| main_~item~0.base))] [2018-02-04 03:49:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:39,767 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:49:39,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:49:39,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:49:39,768 INFO L87 Difference]: Start difference. First operand 178 states and 191 transitions. Second operand 15 states. [2018-02-04 03:49:40,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:40,349 INFO L93 Difference]: Finished difference Result 255 states and 274 transitions. [2018-02-04 03:49:40,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:49:40,350 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2018-02-04 03:49:40,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:40,350 INFO L225 Difference]: With dead ends: 255 [2018-02-04 03:49:40,351 INFO L226 Difference]: Without dead ends: 255 [2018-02-04 03:49:40,351 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=251, Invalid=871, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:49:40,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-02-04 03:49:40,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 211. [2018-02-04 03:49:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-02-04 03:49:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 229 transitions. [2018-02-04 03:49:40,356 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 229 transitions. Word has length 52 [2018-02-04 03:49:40,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:40,356 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 229 transitions. [2018-02-04 03:49:40,356 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:49:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 229 transitions. [2018-02-04 03:49:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:49:40,357 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:40,357 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:40,357 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:40,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1588040750, now seen corresponding path program 1 times [2018-02-04 03:49:40,358 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:40,369 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:40,556 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:40,556 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:49:40,556 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:40,557 INFO L182 omatonBuilderFactory]: Interpolants [4992#(or |main_#t~short29| (and (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0))), 4993#(and (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0)), 4980#true, 4981#false, 4982#(= (select |#valid| main_~head~0.base) 1), 4983#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 4984#(and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 4985#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 4986#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4987#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 4988#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4989#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 4990#(or (= main_~status~0 0) (and (= 8 (select |#length| |main_#t~mem25.base|)) (= 0 |main_#t~mem25.offset|))), 4991#(or (= main_~status~0 0) (and (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0)))] [2018-02-04 03:49:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:40,557 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:49:40,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:49:40,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:49:40,558 INFO L87 Difference]: Start difference. First operand 211 states and 229 transitions. Second operand 14 states. [2018-02-04 03:49:41,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:41,204 INFO L93 Difference]: Finished difference Result 258 states and 279 transitions. [2018-02-04 03:49:41,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:49:41,204 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 52 [2018-02-04 03:49:41,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:41,205 INFO L225 Difference]: With dead ends: 258 [2018-02-04 03:49:41,205 INFO L226 Difference]: Without dead ends: 258 [2018-02-04 03:49:41,206 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=779, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:49:41,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-02-04 03:49:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 215. [2018-02-04 03:49:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-02-04 03:49:41,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 232 transitions. [2018-02-04 03:49:41,208 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 232 transitions. Word has length 52 [2018-02-04 03:49:41,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:41,208 INFO L432 AbstractCegarLoop]: Abstraction has 215 states and 232 transitions. [2018-02-04 03:49:41,208 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:49:41,208 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 232 transitions. [2018-02-04 03:49:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 03:49:41,209 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:41,209 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:41,209 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:41,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1393811070, now seen corresponding path program 1 times [2018-02-04 03:49:41,209 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:41,214 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:41,252 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:41,253 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:49:41,253 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:41,253 INFO L182 omatonBuilderFactory]: Interpolants [5504#false, 5505#(= main_~status~0 1), 5506#(not |main_#t~short29|), 5503#true] [2018-02-04 03:49:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:41,254 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:49:41,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:49:41,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:49:41,254 INFO L87 Difference]: Start difference. First operand 215 states and 232 transitions. Second operand 4 states. [2018-02-04 03:49:41,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:41,274 INFO L93 Difference]: Finished difference Result 261 states and 280 transitions. [2018-02-04 03:49:41,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:49:41,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-02-04 03:49:41,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:41,275 INFO L225 Difference]: With dead ends: 261 [2018-02-04 03:49:41,275 INFO L226 Difference]: Without dead ends: 261 [2018-02-04 03:49:41,275 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:49:41,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-02-04 03:49:41,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 232. [2018-02-04 03:49:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-02-04 03:49:41,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 254 transitions. [2018-02-04 03:49:41,279 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 254 transitions. Word has length 54 [2018-02-04 03:49:41,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:41,279 INFO L432 AbstractCegarLoop]: Abstraction has 232 states and 254 transitions. [2018-02-04 03:49:41,279 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:49:41,279 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 254 transitions. [2018-02-04 03:49:41,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 03:49:41,280 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:41,280 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] [2018-02-04 03:49:41,280 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:41,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1589506591, now seen corresponding path program 1 times [2018-02-04 03:49:41,281 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:41,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:41,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:41,446 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:41,446 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:49:41,446 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:41,447 INFO L182 omatonBuilderFactory]: Interpolants [6016#(= 1 (select |#valid| main_~head~0.base)), 6002#true, 6003#false, 6004#(not (= 0 |main_#t~malloc0.base|)), 6005#(not (= 0 main_~head~0.base)), 6006#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base))), 6007#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base)), 6008#(and (= main_~head~0.offset main_~item~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base)), 6009#(and (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset)))), 6010#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 6011#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base))), 6012#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 6013#(and (not (= 0 main_~item~0.base)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 6014#(and (= 1 (select (store |#valid| main_~item~0.base 0) |main_#t~mem31.base|)) (not (= 0 main_~item~0.base))), 6015#(and (= 1 (select (store |#valid| main_~item~0.base 0) main_~head~0.base)) (not (= 0 main_~item~0.base)))] [2018-02-04 03:49:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:41,447 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:49:41,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:49:41,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:49:41,447 INFO L87 Difference]: Start difference. First operand 232 states and 254 transitions. Second operand 15 states. [2018-02-04 03:49:41,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:41,849 INFO L93 Difference]: Finished difference Result 273 states and 297 transitions. [2018-02-04 03:49:41,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:49:41,849 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2018-02-04 03:49:41,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:41,850 INFO L225 Difference]: With dead ends: 273 [2018-02-04 03:49:41,850 INFO L226 Difference]: Without dead ends: 273 [2018-02-04 03:49:41,850 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:49:41,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-02-04 03:49:41,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 253. [2018-02-04 03:49:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-02-04 03:49:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 282 transitions. [2018-02-04 03:49:41,853 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 282 transitions. Word has length 57 [2018-02-04 03:49:41,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:41,853 INFO L432 AbstractCegarLoop]: Abstraction has 253 states and 282 transitions. [2018-02-04 03:49:41,853 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:49:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 282 transitions. [2018-02-04 03:49:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 03:49:41,853 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:41,854 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] [2018-02-04 03:49:41,854 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:41,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1589506590, now seen corresponding path program 1 times [2018-02-04 03:49:41,854 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:41,862 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:42,026 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:42,026 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-02-04 03:49:42,026 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:42,027 INFO L182 omatonBuilderFactory]: Interpolants [6576#(and (= 0 |main_#t~mem31.offset|) (= 8 (select |#length| |main_#t~mem31.base|))), 6577#(and (= (select |#length| main_~head~0.base) 8) (= main_~head~0.offset 0)), 6567#true, 6568#false, 6569#(= (select |#valid| main_~head~0.base) 1), 6570#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 6571#(and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 6572#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 6573#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6574#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 6575#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:49:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:42,027 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:49:42,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:49:42,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:49:42,028 INFO L87 Difference]: Start difference. First operand 253 states and 282 transitions. Second operand 11 states. [2018-02-04 03:49:42,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:42,391 INFO L93 Difference]: Finished difference Result 273 states and 297 transitions. [2018-02-04 03:49:42,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:49:42,392 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2018-02-04 03:49:42,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:42,393 INFO L225 Difference]: With dead ends: 273 [2018-02-04 03:49:42,393 INFO L226 Difference]: Without dead ends: 273 [2018-02-04 03:49:42,393 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:49:42,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-02-04 03:49:42,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 253. [2018-02-04 03:49:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-02-04 03:49:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 281 transitions. [2018-02-04 03:49:42,395 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 281 transitions. Word has length 57 [2018-02-04 03:49:42,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:42,396 INFO L432 AbstractCegarLoop]: Abstraction has 253 states and 281 transitions. [2018-02-04 03:49:42,396 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:49:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 281 transitions. [2018-02-04 03:49:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:49:42,396 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:42,396 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:42,396 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:42,396 INFO L82 PathProgramCache]: Analyzing trace with hash -2030065285, now seen corresponding path program 1 times [2018-02-04 03:49:42,397 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:42,402 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:49:42,437 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:42,437 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 03:49:42,438 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:42,438 INFO L182 omatonBuilderFactory]: Interpolants [7120#true, 7121#false, 7122#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 7123#(or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 7124#(or (not (= |main_#t~mem31.base| 0)) (not (= |main_#t~mem31.offset| 0))), 7125#(or (not (= main_~head~0.base 0)) (not (= main_~head~0.offset 0)))] [2018-02-04 03:49:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:49:42,438 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:49:42,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:49:42,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:49:42,438 INFO L87 Difference]: Start difference. First operand 253 states and 281 transitions. Second operand 6 states. [2018-02-04 03:49:42,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:42,552 INFO L93 Difference]: Finished difference Result 272 states and 295 transitions. [2018-02-04 03:49:42,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:49:42,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-02-04 03:49:42,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:42,553 INFO L225 Difference]: With dead ends: 272 [2018-02-04 03:49:42,553 INFO L226 Difference]: Without dead ends: 264 [2018-02-04 03:49:42,553 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 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 03:49:42,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-02-04 03:49:42,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 261. [2018-02-04 03:49:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 03:49:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 286 transitions. [2018-02-04 03:49:42,556 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 286 transitions. Word has length 58 [2018-02-04 03:49:42,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:42,556 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 286 transitions. [2018-02-04 03:49:42,556 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:49:42,556 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 286 transitions. [2018-02-04 03:49:42,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 03:49:42,556 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:42,557 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:42,557 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:42,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1492535714, now seen corresponding path program 1 times [2018-02-04 03:49:42,557 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:42,564 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:42,652 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:42,652 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:49:42,652 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:42,652 INFO L182 omatonBuilderFactory]: Interpolants [7665#true, 7666#false, 7667#(= (select |#valid| main_~head~0.base) 1), 7668#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 7669#(and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 7670#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 7671#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 7672#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base))), 7673#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 7674#(= 0 |main_#t~mem31.offset|), 7675#(= 0 main_~head~0.offset), 7676#(= main_~item~0.offset 0)] [2018-02-04 03:49:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:42,652 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:49:42,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:49:42,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:49:42,653 INFO L87 Difference]: Start difference. First operand 261 states and 286 transitions. Second operand 12 states. [2018-02-04 03:49:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:42,976 INFO L93 Difference]: Finished difference Result 275 states and 297 transitions. [2018-02-04 03:49:42,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:49:42,976 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2018-02-04 03:49:42,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:42,977 INFO L225 Difference]: With dead ends: 275 [2018-02-04 03:49:42,977 INFO L226 Difference]: Without dead ends: 275 [2018-02-04 03:49:42,977 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:49:42,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-02-04 03:49:42,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 263. [2018-02-04 03:49:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-02-04 03:49:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 289 transitions. [2018-02-04 03:49:42,982 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 289 transitions. Word has length 59 [2018-02-04 03:49:42,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:42,982 INFO L432 AbstractCegarLoop]: Abstraction has 263 states and 289 transitions. [2018-02-04 03:49:42,982 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:49:42,982 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 289 transitions. [2018-02-04 03:49:42,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 03:49:42,983 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:42,983 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:42,983 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:42,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1492535715, now seen corresponding path program 1 times [2018-02-04 03:49:42,984 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:42,992 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:49:43,011 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:43,012 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:49:43,012 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:43,012 INFO L182 omatonBuilderFactory]: Interpolants [8233#true, 8234#false, 8235#(= main_~head~0.base main_~item~0.base), 8236#(= 1 (select |#valid| main_~item~0.base))] [2018-02-04 03:49:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:49:43,013 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:49:43,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:49:43,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:49:43,013 INFO L87 Difference]: Start difference. First operand 263 states and 289 transitions. Second operand 4 states. [2018-02-04 03:49:43,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:43,086 INFO L93 Difference]: Finished difference Result 263 states and 287 transitions. [2018-02-04 03:49:43,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:49:43,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-02-04 03:49:43,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:43,087 INFO L225 Difference]: With dead ends: 263 [2018-02-04 03:49:43,088 INFO L226 Difference]: Without dead ends: 263 [2018-02-04 03:49:43,088 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:49:43,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-02-04 03:49:43,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 257. [2018-02-04 03:49:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-02-04 03:49:43,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 282 transitions. [2018-02-04 03:49:43,092 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 282 transitions. Word has length 59 [2018-02-04 03:49:43,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:43,092 INFO L432 AbstractCegarLoop]: Abstraction has 257 states and 282 transitions. [2018-02-04 03:49:43,092 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:49:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 282 transitions. [2018-02-04 03:49:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 03:49:43,093 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:43,093 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] [2018-02-04 03:49:43,093 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:43,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1664588139, now seen corresponding path program 2 times [2018-02-04 03:49:43,094 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:43,103 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:43,439 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:43,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:49:43,439 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:43,440 INFO L182 omatonBuilderFactory]: Interpolants [8768#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)), 8769#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 8770#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0))), 8771#(or (not (= 0 main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 8772#(or (not (= 0 main_~item~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 8773#(or (not (= 0 main_~item~0.offset)) (and (= 0 |main_#t~mem31.offset|) (= 0 |main_#t~mem31.base|))), 8774#(or (not (= 0 main_~item~0.offset)) (and (= 0 main_~head~0.base) (= main_~head~0.offset 0))), 8775#(and (= 0 main_~head~0.base) (= main_~head~0.offset 0)), 8759#true, 8760#false, 8761#(= (select |#valid| main_~head~0.base) 1), 8762#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 8763#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 8764#(and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 8765#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 8766#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset 0)), 8767#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset 0))] [2018-02-04 03:49:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:43,440 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:49:43,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:49:43,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:49:43,441 INFO L87 Difference]: Start difference. First operand 257 states and 282 transitions. Second operand 17 states. [2018-02-04 03:49:44,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:44,121 INFO L93 Difference]: Finished difference Result 271 states and 293 transitions. [2018-02-04 03:49:44,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:49:44,122 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 62 [2018-02-04 03:49:44,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:44,123 INFO L225 Difference]: With dead ends: 271 [2018-02-04 03:49:44,123 INFO L226 Difference]: Without dead ends: 271 [2018-02-04 03:49:44,124 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=747, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:49:44,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-02-04 03:49:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 257. [2018-02-04 03:49:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-02-04 03:49:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 282 transitions. [2018-02-04 03:49:44,128 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 282 transitions. Word has length 62 [2018-02-04 03:49:44,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:44,129 INFO L432 AbstractCegarLoop]: Abstraction has 257 states and 282 transitions. [2018-02-04 03:49:44,129 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:49:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 282 transitions. [2018-02-04 03:49:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:49:44,130 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:44,130 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:49:44,130 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:44,130 INFO L82 PathProgramCache]: Analyzing trace with hash -62625977, now seen corresponding path program 2 times [2018-02-04 03:49:44,131 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:44,141 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:44,587 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:44,587 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:49:44,588 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:44,588 INFO L182 omatonBuilderFactory]: Interpolants [9344#(and (= (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 main_~item~0.base))), 9345#(and (not (= main_~item~0.base |main_#t~mem31.base|)) (or (not (= |main_#t~mem31.base| 0)) (not (= |main_#t~mem31.offset| 0))) (not (= 0 main_~item~0.base)) (= |old(#valid)| (store (store |#valid| main_~item~0.base 0) |main_#t~mem31.base| 0))), 9346#(and (= (store (store |#valid| main_~item~0.base 0) main_~head~0.base 0) |old(#valid)|) (or (not (= main_~head~0.base 0)) (not (= main_~head~0.offset 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~item~0.base))), 9347#(and (or (not (= main_~head~0.base 0)) (not (= main_~head~0.offset 0))) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 9348#(and (or (not (= main_~item~0.offset 0)) (not (= main_~item~0.base 0))) (= (store |#valid| main_~item~0.base 0) |old(#valid)|)), 9330#true, 9331#false, 9332#(= |#valid| |old(#valid)|), 9333#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 9334#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 9335#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 9336#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~item~0.base main_~head~0.base)), 9337#(and (= main_~item~0.offset main_~head~0.offset) (= |old(#valid)| (store (store |#valid| |main_#t~malloc4.base| 0) main_~head~0.base 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base)), 9338#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset)))), 9339#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 9340#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base))), 9341#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 9342#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 9343#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))))] [2018-02-04 03:49:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:44,588 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:49:44,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:49:44,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:49:44,588 INFO L87 Difference]: Start difference. First operand 257 states and 282 transitions. Second operand 19 states. [2018-02-04 03:49:45,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:45,151 INFO L93 Difference]: Finished difference Result 270 states and 291 transitions. [2018-02-04 03:49:45,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:49:45,151 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 63 [2018-02-04 03:49:45,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:45,152 INFO L225 Difference]: With dead ends: 270 [2018-02-04 03:49:45,152 INFO L226 Difference]: Without dead ends: 255 [2018-02-04 03:49:45,152 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=811, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:49:45,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-02-04 03:49:45,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 251. [2018-02-04 03:49:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-02-04 03:49:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 273 transitions. [2018-02-04 03:49:45,155 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 273 transitions. Word has length 63 [2018-02-04 03:49:45,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:45,155 INFO L432 AbstractCegarLoop]: Abstraction has 251 states and 273 transitions. [2018-02-04 03:49:45,155 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:49:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2018-02-04 03:49:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:49:45,156 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:45,156 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:45,156 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:45,156 INFO L82 PathProgramCache]: Analyzing trace with hash 880876383, now seen corresponding path program 1 times [2018-02-04 03:49:45,157 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:45,166 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 03:49:45,194 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:45,194 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:49:45,194 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:45,194 INFO L182 omatonBuilderFactory]: Interpolants [9894#true, 9895#false, 9896#(= main_~status~0 2)] [2018-02-04 03:49:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 03:49:45,195 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 03:49:45,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 03:49:45,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:49:45,195 INFO L87 Difference]: Start difference. First operand 251 states and 273 transitions. Second operand 3 states. [2018-02-04 03:49:45,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:45,212 INFO L93 Difference]: Finished difference Result 325 states and 353 transitions. [2018-02-04 03:49:45,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 03:49:45,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-02-04 03:49:45,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:45,213 INFO L225 Difference]: With dead ends: 325 [2018-02-04 03:49:45,214 INFO L226 Difference]: Without dead ends: 325 [2018-02-04 03:49:45,214 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:49:45,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-02-04 03:49:45,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 274. [2018-02-04 03:49:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-02-04 03:49:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 297 transitions. [2018-02-04 03:49:45,218 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 297 transitions. Word has length 63 [2018-02-04 03:49:45,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:45,218 INFO L432 AbstractCegarLoop]: Abstraction has 274 states and 297 transitions. [2018-02-04 03:49:45,218 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 03:49:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 297 transitions. [2018-02-04 03:49:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:49:45,219 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:45,219 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:45,219 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:45,219 INFO L82 PathProgramCache]: Analyzing trace with hash -69705999, now seen corresponding path program 1 times [2018-02-04 03:49:45,220 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:45,232 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:45,436 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:45,436 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:49:45,436 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:45,436 INFO L182 omatonBuilderFactory]: Interpolants [10496#true, 10497#false, 10498#(= (select |#valid| main_~head~0.base) 1), 10499#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 10500#(and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base)), 10501#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 10502#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1)), 10503#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 10504#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)))), 10505#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)))), 10506#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~item~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 10507#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|))) (= main_~status~0 0)), 10508#(or (= main_~status~0 0) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)))), 10509#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base))), 10510#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 10511#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-02-04 03:49:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:45,437 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:49:45,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:49:45,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:49:45,437 INFO L87 Difference]: Start difference. First operand 274 states and 297 transitions. Second operand 16 states. [2018-02-04 03:49:46,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:46,129 INFO L93 Difference]: Finished difference Result 350 states and 379 transitions. [2018-02-04 03:49:46,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:49:46,129 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2018-02-04 03:49:46,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:46,130 INFO L225 Difference]: With dead ends: 350 [2018-02-04 03:49:46,130 INFO L226 Difference]: Without dead ends: 350 [2018-02-04 03:49:46,130 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=237, Invalid=885, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:49:46,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-02-04 03:49:46,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 307. [2018-02-04 03:49:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-02-04 03:49:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 332 transitions. [2018-02-04 03:49:46,133 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 332 transitions. Word has length 63 [2018-02-04 03:49:46,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:46,133 INFO L432 AbstractCegarLoop]: Abstraction has 307 states and 332 transitions. [2018-02-04 03:49:46,133 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:49:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 332 transitions. [2018-02-04 03:49:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:49:46,133 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:46,133 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:46,134 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:46,134 INFO L82 PathProgramCache]: Analyzing trace with hash -69705998, now seen corresponding path program 1 times [2018-02-04 03:49:46,134 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:46,142 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:46,438 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:46,438 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:49:46,438 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:46,439 INFO L182 omatonBuilderFactory]: Interpolants [11205#true, 11206#false, 11207#(= (select |#valid| main_~head~0.base) 1), 11208#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 11209#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 11210#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 11211#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 11212#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 11213#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (<= 0 main_~item~0.offset) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 11214#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (<= 0 main_~item~0.offset) (= main_~status~0 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 11215#(or (= main_~status~0 0) (and (or (<= (select |#length| main_~item~0.base) 3) (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)))) (or (< 3 (select |#length| main_~item~0.base)) (<= 0 main_~item~0.offset)))), 11216#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| main_~item~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 11217#(or (= main_~status~0 0) (and (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 11218#(or (= main_~status~0 0) (and (<= 4 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)))), 11219#(and (not (= main_~item~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 11220#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 11221#(and (= |main_#t~mem13.offset| 0) (<= 4 (select |#length| |main_#t~mem13.base|)))] [2018-02-04 03:49:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:46,439 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:49:46,439 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:49:46,439 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:49:46,439 INFO L87 Difference]: Start difference. First operand 307 states and 332 transitions. Second operand 17 states. [2018-02-04 03:49:47,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:47,288 INFO L93 Difference]: Finished difference Result 349 states and 378 transitions. [2018-02-04 03:49:47,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:49:47,289 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 63 [2018-02-04 03:49:47,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:47,290 INFO L225 Difference]: With dead ends: 349 [2018-02-04 03:49:47,290 INFO L226 Difference]: Without dead ends: 349 [2018-02-04 03:49:47,290 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=241, Invalid=881, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:49:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-02-04 03:49:47,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 307. [2018-02-04 03:49:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-02-04 03:49:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 331 transitions. [2018-02-04 03:49:47,292 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 331 transitions. Word has length 63 [2018-02-04 03:49:47,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:47,292 INFO L432 AbstractCegarLoop]: Abstraction has 307 states and 331 transitions. [2018-02-04 03:49:47,293 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:49:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 331 transitions. [2018-02-04 03:49:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:49:47,293 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:47,293 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:47,293 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:47,293 INFO L82 PathProgramCache]: Analyzing trace with hash 408599608, now seen corresponding path program 1 times [2018-02-04 03:49:47,294 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:47,302 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:47,638 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:47,639 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:49:47,639 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:47,639 INFO L182 omatonBuilderFactory]: Interpolants [11912#true, 11913#false, 11914#(= (select |#valid| main_~head~0.base) 1), 11915#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 11916#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 11917#(and (= main_~head~0.offset main_~item~0.offset) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 11918#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 11919#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base))), 11920#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 11921#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 11922#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 11923#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 11924#(or (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|))) (= main_~status~0 0)), 11925#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 11926#(or (and |main_#t~short29| (= main_~status~0 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 11927#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))), 11928#(and (= 0 |main_#t~mem30.offset|) (= 0 |main_#t~mem30.base|)), 11929#(and (= 0 main_~item~0.base) (= main_~item~0.offset 0)), 11930#(not |main_#t~short27|)] [2018-02-04 03:49:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:47,640 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:49:47,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:49:47,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:49:47,640 INFO L87 Difference]: Start difference. First operand 307 states and 331 transitions. Second operand 19 states. [2018-02-04 03:49:48,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:48,313 INFO L93 Difference]: Finished difference Result 299 states and 319 transitions. [2018-02-04 03:49:48,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:49:48,313 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 64 [2018-02-04 03:49:48,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:48,314 INFO L225 Difference]: With dead ends: 299 [2018-02-04 03:49:48,314 INFO L226 Difference]: Without dead ends: 269 [2018-02-04 03:49:48,314 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=994, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:49:48,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-02-04 03:49:48,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-02-04 03:49:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-02-04 03:49:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 289 transitions. [2018-02-04 03:49:48,318 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 289 transitions. Word has length 64 [2018-02-04 03:49:48,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:48,318 INFO L432 AbstractCegarLoop]: Abstraction has 269 states and 289 transitions. [2018-02-04 03:49:48,318 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:49:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 289 transitions. [2018-02-04 03:49:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:49:48,319 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:48,319 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:48,319 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:48,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1151857533, now seen corresponding path program 1 times [2018-02-04 03:49:48,320 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:48,329 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 03:49:48,370 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:48,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:49:48,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:48,370 INFO L182 omatonBuilderFactory]: Interpolants [12531#true, 12532#false, 12533#(= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 12534#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 12535#(= 1 (select |#valid| |main_#t~mem25.base|)), 12536#(= 1 (select |#valid| main_~item~0.base))] [2018-02-04 03:49:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 03:49:48,371 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:49:48,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:49:48,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:49:48,371 INFO L87 Difference]: Start difference. First operand 269 states and 289 transitions. Second operand 6 states. [2018-02-04 03:49:48,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:48,499 INFO L93 Difference]: Finished difference Result 315 states and 341 transitions. [2018-02-04 03:49:48,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:49:48,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2018-02-04 03:49:48,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:48,500 INFO L225 Difference]: With dead ends: 315 [2018-02-04 03:49:48,500 INFO L226 Difference]: Without dead ends: 315 [2018-02-04 03:49:48,500 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:49:48,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-02-04 03:49:48,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 278. [2018-02-04 03:49:48,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-02-04 03:49:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 302 transitions. [2018-02-04 03:49:48,503 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 302 transitions. Word has length 75 [2018-02-04 03:49:48,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:48,504 INFO L432 AbstractCegarLoop]: Abstraction has 278 states and 302 transitions. [2018-02-04 03:49:48,504 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:49:48,504 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 302 transitions. [2018-02-04 03:49:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:49:48,504 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:48,504 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:48,505 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:48,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1151857532, now seen corresponding path program 1 times [2018-02-04 03:49:48,505 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:48,519 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:49,102 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:49,103 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:49:49,103 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:49,103 INFO L182 omatonBuilderFactory]: Interpolants [13152#(or (and (not (= main_~head~0.base |main_#t~mem6.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 13153#(or (= main_~status~0 0) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)))), 13154#(and (not (= main_~item~0.base main_~head~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13155#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13156#(and (= |main_#t~mem13.offset| 0) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 13157#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13158#(and (<= (+ |main_#t~mem25.offset| 8) (select |#length| |main_#t~mem25.base|)) (<= 0 |main_#t~mem25.offset|)), 13159#(and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 13138#true, 13139#false, 13140#(= (select |#length| |main_#t~malloc0.base|) 8), 13141#(= (select |#length| main_~head~0.base) 8), 13142#(and (= (select |#length| main_~head~0.base) 8) (= (select |#valid| main_~head~0.base) 1)), 13143#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#length| main_~head~0.base) 8) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 13144#(and (= (select |#length| main_~item~0.base) (select |#length| |main_#t~malloc4.base|)) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= (select |#length| main_~item~0.base) 8) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 13145#(and (= (select |#length| main_~item~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (= (select |#length| main_~item~0.base) 8) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 13146#(and (<= 8 (select |#length| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~head~0.base) (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 13147#(and (<= 8 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 13148#(and (<= 8 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13149#(and (or (= main_~status~0 0) (and (<= 8 (select |#length| main_~head~0.base)) (= (select |#length| main_~head~0.base) (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~status~0 (select |#valid| main_~head~0.base))), 13150#(or (= main_~status~0 0) (and (<= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)))), 13151#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 8 (select |#length| main_~item~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))))] [2018-02-04 03:49:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:49,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:49:49,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:49:49,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:49:49,104 INFO L87 Difference]: Start difference. First operand 278 states and 302 transitions. Second operand 22 states. [2018-02-04 03:49:50,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:50,120 INFO L93 Difference]: Finished difference Result 331 states and 362 transitions. [2018-02-04 03:49:50,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:49:50,121 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 75 [2018-02-04 03:49:50,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:50,121 INFO L225 Difference]: With dead ends: 331 [2018-02-04 03:49:50,121 INFO L226 Difference]: Without dead ends: 331 [2018-02-04 03:49:50,122 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=382, Invalid=1424, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:49:50,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-02-04 03:49:50,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 294. [2018-02-04 03:49:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-02-04 03:49:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 321 transitions. [2018-02-04 03:49:50,124 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 321 transitions. Word has length 75 [2018-02-04 03:49:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:50,124 INFO L432 AbstractCegarLoop]: Abstraction has 294 states and 321 transitions. [2018-02-04 03:49:50,124 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:49:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 321 transitions. [2018-02-04 03:49:50,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:49:50,125 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:50,125 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] [2018-02-04 03:49:50,125 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:50,125 INFO L82 PathProgramCache]: Analyzing trace with hash 633670767, now seen corresponding path program 1 times [2018-02-04 03:49:50,125 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:50,133 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:50,446 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:50,447 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:50,447 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:49:50,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:50,447 INFO L182 omatonBuilderFactory]: Interpolants [13827#true, 13828#false, 13829#(not (= 0 |main_#t~malloc0.base|)), 13830#(not (= 0 main_~head~0.base)), 13831#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base))), 13832#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base)), 13833#(and (= main_~item~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base)), 13834#(and (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset)))), 13835#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base))), 13836#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base))), 13837#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 13838#(or (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))) (= main_~status~0 0)), 13839#(or (= main_~status~0 0) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 13840#(or (and (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))) (= main_~status~0 0)), 13841#(or (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base))) (= main_~status~0 0)), 13842#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base))), 13843#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 13844#(and (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem13.base|))), 13845#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 13846#(and (not (= 0 main_~item~0.base)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 13847#(and (= 1 (select (store |#valid| main_~item~0.base 0) |main_#t~mem31.base|)) (not (= 0 main_~item~0.base))), 13848#(and (= 1 (select (store |#valid| main_~item~0.base 0) main_~head~0.base)) (not (= 0 main_~item~0.base))), 13849#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:49:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:50,448 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:49:50,448 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:49:50,448 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:49:50,448 INFO L87 Difference]: Start difference. First operand 294 states and 321 transitions. Second operand 23 states. [2018-02-04 03:49:52,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:52,163 INFO L93 Difference]: Finished difference Result 682 states and 757 transitions. [2018-02-04 03:49:52,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:49:52,163 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 80 [2018-02-04 03:49:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:52,164 INFO L225 Difference]: With dead ends: 682 [2018-02-04 03:49:52,164 INFO L226 Difference]: Without dead ends: 682 [2018-02-04 03:49:52,165 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=804, Invalid=2978, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 03:49:52,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-02-04 03:49:52,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 388. [2018-02-04 03:49:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2018-02-04 03:49:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 438 transitions. [2018-02-04 03:49:52,169 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 438 transitions. Word has length 80 [2018-02-04 03:49:52,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:52,169 INFO L432 AbstractCegarLoop]: Abstraction has 388 states and 438 transitions. [2018-02-04 03:49:52,169 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:49:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 438 transitions. [2018-02-04 03:49:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:49:52,170 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:52,170 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] [2018-02-04 03:49:52,170 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:52,170 INFO L82 PathProgramCache]: Analyzing trace with hash 633670768, now seen corresponding path program 1 times [2018-02-04 03:49:52,170 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:52,180 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:52,522 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:52,522 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:49:52,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:52,523 INFO L182 omatonBuilderFactory]: Interpolants [15008#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~item~0.offset) (not (= main_~head~0.base |main_#t~malloc4.base|)))), 15009#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| main_~item~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 15010#(or (= main_~status~0 0) (and (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 15011#(or (= main_~status~0 0) (and (<= 4 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)))), 15012#(and (not (= main_~item~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15013#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15014#(and (= |main_#t~mem13.offset| 0) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15015#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 4) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15016#(and (<= 0 |main_#t~mem31.offset|) (<= (+ |main_#t~mem31.offset| 4) (select |#length| |main_#t~mem31.base|))), 15017#(and (<= (+ main_~head~0.offset 4) (select |#length| main_~head~0.base)) (<= 0 main_~head~0.offset)), 14998#true, 14999#false, 15000#(= (select |#valid| main_~head~0.base) 1), 15001#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 15002#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 15003#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 15004#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 15005#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 15006#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (<= 0 main_~item~0.offset) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 15007#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (<= 0 main_~item~0.offset) (= main_~status~0 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:49:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:52,523 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:49:52,523 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:49:52,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:49:52,523 INFO L87 Difference]: Start difference. First operand 388 states and 438 transitions. Second operand 20 states. [2018-02-04 03:49:53,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:53,563 INFO L93 Difference]: Finished difference Result 432 states and 486 transitions. [2018-02-04 03:49:53,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:49:53,563 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 80 [2018-02-04 03:49:53,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:53,564 INFO L225 Difference]: With dead ends: 432 [2018-02-04 03:49:53,564 INFO L226 Difference]: Without dead ends: 432 [2018-02-04 03:49:53,565 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=322, Invalid=1238, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:49:53,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-02-04 03:49:53,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 412. [2018-02-04 03:49:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-02-04 03:49:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 471 transitions. [2018-02-04 03:49:53,568 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 471 transitions. Word has length 80 [2018-02-04 03:49:53,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:53,568 INFO L432 AbstractCegarLoop]: Abstraction has 412 states and 471 transitions. [2018-02-04 03:49:53,568 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:49:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 471 transitions. [2018-02-04 03:49:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:49:53,568 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:53,568 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] [2018-02-04 03:49:53,568 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:53,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1831043923, now seen corresponding path program 1 times [2018-02-04 03:49:53,569 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:53,576 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 03:49:53,629 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:53,630 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 03:49:53,630 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:53,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:53,630 INFO L182 omatonBuilderFactory]: Interpolants [15904#(and (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 15905#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15906#(or (not (= 0 |main_#t~mem31.base|)) (not (= |main_#t~mem31.offset| 0))), 15907#(or (not (= 0 main_~head~0.base)) (not (= main_~head~0.offset 0))), 15902#true, 15903#false] [2018-02-04 03:49:53,630 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 03:49:53,631 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:49:53,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:49:53,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:49:53,631 INFO L87 Difference]: Start difference. First operand 412 states and 471 transitions. Second operand 6 states. [2018-02-04 03:49:53,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:53,747 INFO L93 Difference]: Finished difference Result 447 states and 507 transitions. [2018-02-04 03:49:53,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:49:53,748 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2018-02-04 03:49:53,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:53,749 INFO L225 Difference]: With dead ends: 447 [2018-02-04 03:49:53,749 INFO L226 Difference]: Without dead ends: 439 [2018-02-04 03:49:53,749 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 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 03:49:53,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-02-04 03:49:53,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 427. [2018-02-04 03:49:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-02-04 03:49:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 489 transitions. [2018-02-04 03:49:53,754 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 489 transitions. Word has length 81 [2018-02-04 03:49:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:53,754 INFO L432 AbstractCegarLoop]: Abstraction has 427 states and 489 transitions. [2018-02-04 03:49:53,754 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:49:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 489 transitions. [2018-02-04 03:49:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:49:53,755 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:53,755 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:53,755 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:53,755 INFO L82 PathProgramCache]: Analyzing trace with hash -927736656, now seen corresponding path program 1 times [2018-02-04 03:49:53,756 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:53,765 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:54,026 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:54,026 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:49:54,026 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:54,027 INFO L182 omatonBuilderFactory]: Interpolants [16800#(or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base))) (= main_~status~0 0)), 16801#(and (not (= main_~item~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16802#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 16803#(= 0 |main_#t~mem31.offset|), 16804#(= 0 main_~head~0.offset), 16805#(= main_~item~0.offset 0), 16788#true, 16789#false, 16790#(= (select |#valid| main_~head~0.base) 1), 16791#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 16792#(and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 16793#(and (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 16794#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16795#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 16796#(or (and (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 16797#(or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))) (= main_~status~0 0)), 16798#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 16799#(or (and (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0))] [2018-02-04 03:49:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:54,027 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:49:54,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:49:54,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:49:54,028 INFO L87 Difference]: Start difference. First operand 427 states and 489 transitions. Second operand 18 states. [2018-02-04 03:49:54,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:54,963 INFO L93 Difference]: Finished difference Result 630 states and 706 transitions. [2018-02-04 03:49:54,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:49:54,964 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 82 [2018-02-04 03:49:54,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:54,965 INFO L225 Difference]: With dead ends: 630 [2018-02-04 03:49:54,965 INFO L226 Difference]: Without dead ends: 630 [2018-02-04 03:49:54,965 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=307, Invalid=1175, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:49:54,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-02-04 03:49:54,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 513. [2018-02-04 03:49:54,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-02-04 03:49:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 605 transitions. [2018-02-04 03:49:54,981 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 605 transitions. Word has length 82 [2018-02-04 03:49:54,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:54,982 INFO L432 AbstractCegarLoop]: Abstraction has 513 states and 605 transitions. [2018-02-04 03:49:54,982 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:49:54,982 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 605 transitions. [2018-02-04 03:49:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:49:54,982 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:54,982 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:54,982 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:54,982 INFO L82 PathProgramCache]: Analyzing trace with hash 268131050, now seen corresponding path program 1 times [2018-02-04 03:49:54,983 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:54,989 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-02-04 03:49:55,001 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:49:55,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:49:55,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:55,001 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 03:49:55,001 INFO L182 omatonBuilderFactory]: Interpolants [17991#true, 17992#false, 17993#(= main_~status~0 3)] [2018-02-04 03:49:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-02-04 03:49:55,002 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 03:49:55,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 03:49:55,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:49:55,002 INFO L87 Difference]: Start difference. First operand 513 states and 605 transitions. Second operand 3 states. [2018-02-04 03:49:55,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:55,016 INFO L93 Difference]: Finished difference Result 246 states and 262 transitions. [2018-02-04 03:49:55,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 03:49:55,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2018-02-04 03:49:55,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:55,016 INFO L225 Difference]: With dead ends: 246 [2018-02-04 03:49:55,016 INFO L226 Difference]: Without dead ends: 246 [2018-02-04 03:49:55,017 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:49:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-02-04 03:49:55,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 219. [2018-02-04 03:49:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-02-04 03:49:55,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 239 transitions. [2018-02-04 03:49:55,019 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 239 transitions. Word has length 82 [2018-02-04 03:49:55,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:55,019 INFO L432 AbstractCegarLoop]: Abstraction has 219 states and 239 transitions. [2018-02-04 03:49:55,019 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 03:49:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 239 transitions. [2018-02-04 03:49:55,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:49:55,020 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:55,020 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:55,020 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:55,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1087936039, now seen corresponding path program 1 times [2018-02-04 03:49:55,021 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:55,029 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:55,333 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:55,334 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:49:55,334 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:55,334 INFO L182 omatonBuilderFactory]: Interpolants [18464#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 18465#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 18466#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 18467#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)))), 18468#(or (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 18469#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~item~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 18470#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 18471#(or (= main_~status~0 0) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)))), 18472#(and (not (= (select |#valid| main_~head~0.base) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base))), 18473#(and (or (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 18474#(and (or (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 18475#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 18476#(and (not (= main_~item~0.base main_~head~0.base)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 18477#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base))), 18478#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 18479#(= 1 (select |#valid| |main_#t~mem16.base|)), 18459#true, 18460#false, 18461#(= (select |#valid| main_~head~0.base) 1), 18462#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 18463#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base))] [2018-02-04 03:49:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:55,334 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:49:55,334 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:49:55,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:49:55,335 INFO L87 Difference]: Start difference. First operand 219 states and 239 transitions. Second operand 21 states. [2018-02-04 03:49:56,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:56,093 INFO L93 Difference]: Finished difference Result 218 states and 238 transitions. [2018-02-04 03:49:56,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:49:56,093 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 83 [2018-02-04 03:49:56,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:56,093 INFO L225 Difference]: With dead ends: 218 [2018-02-04 03:49:56,093 INFO L226 Difference]: Without dead ends: 218 [2018-02-04 03:49:56,094 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=287, Invalid=1195, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:49:56,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-02-04 03:49:56,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-02-04 03:49:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-02-04 03:49:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 238 transitions. [2018-02-04 03:49:56,096 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 238 transitions. Word has length 83 [2018-02-04 03:49:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:56,096 INFO L432 AbstractCegarLoop]: Abstraction has 218 states and 238 transitions. [2018-02-04 03:49:56,096 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:49:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 238 transitions. [2018-02-04 03:49:56,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:49:56,097 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:56,097 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:56,097 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:56,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1087936040, now seen corresponding path program 1 times [2018-02-04 03:49:56,098 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:56,113 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:56,739 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:56,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:49:56,740 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:56,740 INFO L182 omatonBuilderFactory]: Interpolants [18952#true, 18953#false, 18954#(= |main_#t~malloc0.offset| 0), 18955#(= main_~head~0.offset 0), 18956#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 18957#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 18958#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 18959#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (= main_~item~0.base main_~head~0.base)), 18960#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 18961#(and (= 8 (select |#length| main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 18962#(and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18963#(and (or (= main_~status~0 0) (and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~status~0 (select |#valid| main_~item~0.base))), 18964#(or (and (= 8 (select |#length| main_~item~0.base)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 18965#(or (= main_~status~0 0) (and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 18966#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 18967#(or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 18968#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18969#(and (= main_~head~0.offset |main_#t~malloc4.offset|) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))), 18970#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 18971#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset |main_#t~mem6.offset|)), 18972#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 18973#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 18974#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 18975#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 |main_#t~mem15.base|) (= |main_#t~mem15.offset| 0))), 18976#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18977#(and (= |main_#t~mem16.offset| 0) (= (select |#length| |main_#t~mem16.base|) 8))] [2018-02-04 03:49:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:56,740 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:49:56,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:49:56,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:49:56,741 INFO L87 Difference]: Start difference. First operand 218 states and 238 transitions. Second operand 26 states. [2018-02-04 03:49:58,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:49:58,249 INFO L93 Difference]: Finished difference Result 221 states and 241 transitions. [2018-02-04 03:49:58,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:49:58,249 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 83 [2018-02-04 03:49:58,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:49:58,250 INFO L225 Difference]: With dead ends: 221 [2018-02-04 03:49:58,250 INFO L226 Difference]: Without dead ends: 221 [2018-02-04 03:49:58,250 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=679, Invalid=2183, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 03:49:58,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-02-04 03:49:58,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 217. [2018-02-04 03:49:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-02-04 03:49:58,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 237 transitions. [2018-02-04 03:49:58,252 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 237 transitions. Word has length 83 [2018-02-04 03:49:58,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:49:58,252 INFO L432 AbstractCegarLoop]: Abstraction has 217 states and 237 transitions. [2018-02-04 03:49:58,252 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:49:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 237 transitions. [2018-02-04 03:49:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:49:58,252 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:49:58,253 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:49:58,253 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:49:58,253 INFO L82 PathProgramCache]: Analyzing trace with hash -87797561, now seen corresponding path program 2 times [2018-02-04 03:49:58,253 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:49:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:49:58,261 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:49:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:58,902 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:49:58,903 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:49:58,903 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:49:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:58,903 INFO L182 omatonBuilderFactory]: Interpolants [19472#true, 19473#false, 19474#(not (= 0 |main_#t~malloc0.base|)), 19475#(not (= 0 main_~head~0.base)), 19476#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base))), 19477#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base)), 19478#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 19479#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 19480#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 19481#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.offset 0)), 19482#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.offset 0)), 19483#(and (= main_~status~0 (select |#valid| main_~item~0.base)) (or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset 0))) (not (= 0 main_~head~0.base))), 19484#(and (or (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 0)) (not (= 0 main_~head~0.base)) (or (= main_~status~0 0) (and (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.offset 0)))), 19485#(and (or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))) (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (not (= 0 main_~head~0.base))), 19486#(and (or (and (not (= main_~head~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= main_~status~0 0)) (not (= 0 main_~head~0.base))), 19487#(or (= main_~status~0 0) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))))), 19488#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 19489#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 19490#(and (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 19491#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 19492#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base))), 19493#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~item~0.base))), 19494#(and (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (or (not (= 0 |main_#t~mem31.base|)) (not (= |main_#t~mem31.offset| 0))) (not (= 0 main_~item~0.base)) (not (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)))), 19495#(and (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.offset))) (or (not (= 0 main_~head~0.base)) (not (= main_~head~0.offset 0))) (not (= 0 main_~item~0.base))), 19496#(and (or (not (= 0 main_~head~0.base)) (not (= main_~head~0.offset 0))) (or (not (= 0 main_~head~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 19497#(and (or (not (= 0 main_~item~0.offset)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))), 19498#(and (or (not (= 0 main_~item~0.offset)) (= 1 (select (store |#valid| main_~item~0.base 0) |main_#t~mem31.base|))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))), 19499#(and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 main_~item~0.offset)) (= 1 (select (store |#valid| main_~item~0.base 0) main_~head~0.base)))), 19500#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:49:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:49:58,903 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:49:58,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:49:58,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=720, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:49:58,904 INFO L87 Difference]: Start difference. First operand 217 states and 237 transitions. Second operand 29 states. [2018-02-04 03:50:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:00,463 INFO L93 Difference]: Finished difference Result 235 states and 251 transitions. [2018-02-04 03:50:00,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:50:00,464 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 85 [2018-02-04 03:50:00,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:00,464 INFO L225 Difference]: With dead ends: 235 [2018-02-04 03:50:00,464 INFO L226 Difference]: Without dead ends: 235 [2018-02-04 03:50:00,465 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=551, Invalid=2989, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:50:00,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-02-04 03:50:00,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 222. [2018-02-04 03:50:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-02-04 03:50:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 244 transitions. [2018-02-04 03:50:00,467 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 244 transitions. Word has length 85 [2018-02-04 03:50:00,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:00,467 INFO L432 AbstractCegarLoop]: Abstraction has 222 states and 244 transitions. [2018-02-04 03:50:00,467 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:50:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 244 transitions. [2018-02-04 03:50:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:50:00,468 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:00,468 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:00,468 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:00,468 INFO L82 PathProgramCache]: Analyzing trace with hash -87797560, now seen corresponding path program 2 times [2018-02-04 03:50:00,469 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:00,481 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:00,922 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:00,922 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:50:00,922 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:00,923 INFO L182 omatonBuilderFactory]: Interpolants [20032#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)))), 20033#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)))) (= main_~status~0 0)), 20034#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 20035#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 20036#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0))), 20037#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0))), 20038#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0))), 20039#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (= main_~head~0.offset main_~item~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0))), 20040#(and (or (not (= main_~item~0.offset 0)) (= 8 (select |#length| |main_#t~mem31.base|))) (or (= 0 |main_#t~mem31.offset|) (not (= main_~item~0.offset 0)))), 20041#(and (or (not (= main_~item~0.offset 0)) (= main_~head~0.offset 0)) (or (not (= main_~item~0.offset 0)) (= (select |#length| main_~head~0.base) 8))), 20042#(and (= (select |#length| main_~head~0.base) 8) (= main_~head~0.offset 0)), 20020#true, 20021#false, 20022#(= (select |#valid| main_~head~0.base) 1), 20023#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 20024#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base)), 20025#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0)), 20026#(and (= |main_#t~mem6.offset| 0) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 20027#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset 0)), 20028#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset 0)), 20029#(and (= main_~status~0 (select |#valid| main_~item~0.base)) (or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset 0)))), 20030#(and (or (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 0)) (or (= main_~status~0 0) (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)) (= main_~item~0.offset 0)))), 20031#(and (or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)) (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))))] [2018-02-04 03:50:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:00,923 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:50:00,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:50:00,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:50:00,923 INFO L87 Difference]: Start difference. First operand 222 states and 244 transitions. Second operand 23 states. [2018-02-04 03:50:01,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:01,877 INFO L93 Difference]: Finished difference Result 235 states and 251 transitions. [2018-02-04 03:50:01,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:50:01,877 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 85 [2018-02-04 03:50:01,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:01,878 INFO L225 Difference]: With dead ends: 235 [2018-02-04 03:50:01,878 INFO L226 Difference]: Without dead ends: 235 [2018-02-04 03:50:01,878 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=206, Invalid=1434, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:50:01,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-02-04 03:50:01,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 222. [2018-02-04 03:50:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-02-04 03:50:01,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 243 transitions. [2018-02-04 03:50:01,880 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 243 transitions. Word has length 85 [2018-02-04 03:50:01,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:01,880 INFO L432 AbstractCegarLoop]: Abstraction has 222 states and 243 transitions. [2018-02-04 03:50:01,880 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:50:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 243 transitions. [2018-02-04 03:50:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:50:01,881 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:01,881 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:01,881 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:01,881 INFO L82 PathProgramCache]: Analyzing trace with hash -882397041, now seen corresponding path program 1 times [2018-02-04 03:50:01,882 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:01,889 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 03:50:01,908 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:01,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:50:01,909 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:01,909 INFO L182 omatonBuilderFactory]: Interpolants [20536#true, 20537#false, 20538#(= main_~status~0 2), 20539#(and (not (= main_~status~0 0)) (not |main_#t~short29|))] [2018-02-04 03:50:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 03:50:01,909 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:50:01,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:50:01,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:50:01,909 INFO L87 Difference]: Start difference. First operand 222 states and 243 transitions. Second operand 4 states. [2018-02-04 03:50:01,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:01,931 INFO L93 Difference]: Finished difference Result 243 states and 257 transitions. [2018-02-04 03:50:01,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:50:01,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2018-02-04 03:50:01,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:01,932 INFO L225 Difference]: With dead ends: 243 [2018-02-04 03:50:01,932 INFO L226 Difference]: Without dead ends: 243 [2018-02-04 03:50:01,932 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:50:01,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-02-04 03:50:01,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 219. [2018-02-04 03:50:01,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-02-04 03:50:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 236 transitions. [2018-02-04 03:50:01,935 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 236 transitions. Word has length 85 [2018-02-04 03:50:01,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:01,935 INFO L432 AbstractCegarLoop]: Abstraction has 219 states and 236 transitions. [2018-02-04 03:50:01,935 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:50:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 236 transitions. [2018-02-04 03:50:01,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 03:50:01,936 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:01,936 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:01,936 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:01,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1573241685, now seen corresponding path program 2 times [2018-02-04 03:50:01,937 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:01,943 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 03:50:02,051 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:02,051 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:50:02,051 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:02,052 INFO L182 omatonBuilderFactory]: Interpolants [21008#(or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 21009#(or (not (= (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|) 0))), 21010#(or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 21011#(or (not (= |main_#t~mem31.base| 0)) (not (= |main_#t~mem31.offset| 0))), 21012#(or (not (= main_~head~0.base 0)) (not (= main_~head~0.offset 0))), 21004#true, 21005#false, 21006#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 21007#(and (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:50:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 03:50:02,052 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:50:02,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:50:02,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:50:02,053 INFO L87 Difference]: Start difference. First operand 219 states and 236 transitions. Second operand 9 states. [2018-02-04 03:50:02,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:02,383 INFO L93 Difference]: Finished difference Result 222 states and 235 transitions. [2018-02-04 03:50:02,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:50:02,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2018-02-04 03:50:02,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:02,385 INFO L225 Difference]: With dead ends: 222 [2018-02-04 03:50:02,385 INFO L226 Difference]: Without dead ends: 222 [2018-02-04 03:50:02,385 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:50:02,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-02-04 03:50:02,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 219. [2018-02-04 03:50:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-02-04 03:50:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 235 transitions. [2018-02-04 03:50:02,388 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 235 transitions. Word has length 86 [2018-02-04 03:50:02,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:02,388 INFO L432 AbstractCegarLoop]: Abstraction has 219 states and 235 transitions. [2018-02-04 03:50:02,388 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:50:02,388 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 235 transitions. [2018-02-04 03:50:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:50:02,389 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:02,389 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:02,389 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:02,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1525902088, now seen corresponding path program 2 times [2018-02-04 03:50:02,390 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:02,401 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:02,786 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:02,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:50:02,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:02,786 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 03:50:02,786 INFO L182 omatonBuilderFactory]: Interpolants [21472#(and (= |main_#t~mem6.offset| 0) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 21473#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset 0)), 21474#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset 0)), 21475#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset 0)) (= main_~status~0 0)), 21476#(or (= main_~status~0 0) (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0))), 21477#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 21478#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))) (= main_~status~0 0)), 21479#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base))) (= main_~status~0 0)), 21480#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 21481#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 21482#(and (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0))), 21483#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0)), 21484#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0)), 21485#(and (= main_~head~0.offset main_~item~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0))), 21486#(or (= 0 |main_#t~mem31.offset|) (not (= main_~item~0.offset 0))), 21487#(or (= 0 main_~head~0.offset) (not (= main_~item~0.offset 0))), 21488#(= 0 main_~head~0.offset), 21489#(= main_~item~0.offset 0), 21466#true, 21467#false, 21468#(= (select |#valid| main_~head~0.base) 1), 21469#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 21470#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base)), 21471#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0))] [2018-02-04 03:50:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:02,787 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:50:02,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:50:02,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:50:02,787 INFO L87 Difference]: Start difference. First operand 219 states and 235 transitions. Second operand 24 states. [2018-02-04 03:50:03,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:03,561 INFO L93 Difference]: Finished difference Result 229 states and 242 transitions. [2018-02-04 03:50:03,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:50:03,561 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 87 [2018-02-04 03:50:03,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:03,562 INFO L225 Difference]: With dead ends: 229 [2018-02-04 03:50:03,562 INFO L226 Difference]: Without dead ends: 229 [2018-02-04 03:50:03,563 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=273, Invalid=1797, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:50:03,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-02-04 03:50:03,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 219. [2018-02-04 03:50:03,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-02-04 03:50:03,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 235 transitions. [2018-02-04 03:50:03,564 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 235 transitions. Word has length 87 [2018-02-04 03:50:03,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:03,564 INFO L432 AbstractCegarLoop]: Abstraction has 219 states and 235 transitions. [2018-02-04 03:50:03,564 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:50:03,564 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 235 transitions. [2018-02-04 03:50:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:50:03,565 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:03,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:03,565 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:03,565 INFO L82 PathProgramCache]: Analyzing trace with hash -419110422, now seen corresponding path program 1 times [2018-02-04 03:50:03,565 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:03,572 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:03,980 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:03,980 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:50:03,980 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:03,981 INFO L182 omatonBuilderFactory]: Interpolants [21984#(= (select |#valid| main_~head~0.base) 1), 21985#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 21986#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 21987#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 21988#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 21989#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 21990#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21991#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 21992#(or (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 21993#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 21994#(or (and (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~status~0 0)), 21995#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base))) (= main_~status~0 0)), 21996#(or (and (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~status~0 0)), 21997#(and (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 21998#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 21999#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 22000#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))), 22001#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))), 22002#(= 1 (select |#valid| |main_#t~mem30.base|)), 22003#(= 1 (select |#valid| main_~item~0.base)), 21982#true, 21983#false] [2018-02-04 03:50:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:03,981 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:50:03,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:50:03,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:50:03,981 INFO L87 Difference]: Start difference. First operand 219 states and 235 transitions. Second operand 22 states. [2018-02-04 03:50:04,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:04,980 INFO L93 Difference]: Finished difference Result 242 states and 256 transitions. [2018-02-04 03:50:04,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:50:04,980 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 87 [2018-02-04 03:50:04,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:04,981 INFO L225 Difference]: With dead ends: 242 [2018-02-04 03:50:04,981 INFO L226 Difference]: Without dead ends: 242 [2018-02-04 03:50:04,982 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=312, Invalid=1668, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:50:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-02-04 03:50:04,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 227. [2018-02-04 03:50:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-02-04 03:50:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 246 transitions. [2018-02-04 03:50:04,984 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 246 transitions. Word has length 87 [2018-02-04 03:50:04,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:04,984 INFO L432 AbstractCegarLoop]: Abstraction has 227 states and 246 transitions. [2018-02-04 03:50:04,984 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:50:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 246 transitions. [2018-02-04 03:50:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:50:04,984 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:04,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:04,984 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash -419110421, now seen corresponding path program 1 times [2018-02-04 03:50:04,985 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:04,992 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:05,372 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:05,372 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:05,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:50:05,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:05,373 INFO L182 omatonBuilderFactory]: Interpolants [22528#(and (or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)))) (= main_~status~0 (select |#valid| main_~item~0.base))), 22529#(and (or (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 0)) (or (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0))), 22530#(and (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (or (= main_~status~0 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))))), 22531#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))) (= main_~status~0 0)), 22532#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base))) (= main_~status~0 0)), 22533#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 22534#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 22535#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 22536#(and (= 8 (select |#length| (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|))), 22537#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 22538#(and (= 0 |main_#t~mem30.offset|) (= 8 (select |#length| |main_#t~mem30.base|))), 22539#(and (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0)), 22519#true, 22520#false, 22521#(= (select |#valid| main_~head~0.base) 1), 22522#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 22523#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 22524#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 22525#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 22526#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 22527#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:50:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:05,373 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:50:05,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:50:05,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:50:05,374 INFO L87 Difference]: Start difference. First operand 227 states and 246 transitions. Second operand 21 states. [2018-02-04 03:50:06,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:06,240 INFO L93 Difference]: Finished difference Result 245 states and 260 transitions. [2018-02-04 03:50:06,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:50:06,240 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 87 [2018-02-04 03:50:06,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:06,240 INFO L225 Difference]: With dead ends: 245 [2018-02-04 03:50:06,240 INFO L226 Difference]: Without dead ends: 245 [2018-02-04 03:50:06,241 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=210, Invalid=1272, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:50:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-02-04 03:50:06,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 231. [2018-02-04 03:50:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 03:50:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 249 transitions. [2018-02-04 03:50:06,242 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 249 transitions. Word has length 87 [2018-02-04 03:50:06,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:06,243 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 249 transitions. [2018-02-04 03:50:06,243 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:50:06,243 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 249 transitions. [2018-02-04 03:50:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:50:06,243 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:06,243 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:06,243 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:06,243 INFO L82 PathProgramCache]: Analyzing trace with hash -843092644, now seen corresponding path program 1 times [2018-02-04 03:50:06,244 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:06,249 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:06,278 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:06,278 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:50:06,279 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:06,279 INFO L182 omatonBuilderFactory]: Interpolants [23056#(= 1 (select |#valid| |main_#t~mem18.base|)), 23052#true, 23053#false, 23054#(= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 23055#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:50:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:06,279 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:50:06,280 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:50:06,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:50:06,280 INFO L87 Difference]: Start difference. First operand 231 states and 249 transitions. Second operand 5 states. [2018-02-04 03:50:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:06,365 INFO L93 Difference]: Finished difference Result 233 states and 248 transitions. [2018-02-04 03:50:06,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:50:06,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-02-04 03:50:06,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:06,366 INFO L225 Difference]: With dead ends: 233 [2018-02-04 03:50:06,366 INFO L226 Difference]: Without dead ends: 233 [2018-02-04 03:50:06,366 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:50:06,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-02-04 03:50:06,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2018-02-04 03:50:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-02-04 03:50:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 248 transitions. [2018-02-04 03:50:06,367 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 248 transitions. Word has length 88 [2018-02-04 03:50:06,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:06,368 INFO L432 AbstractCegarLoop]: Abstraction has 230 states and 248 transitions. [2018-02-04 03:50:06,368 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:50:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 248 transitions. [2018-02-04 03:50:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:50:06,368 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:06,368 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:06,368 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:06,369 INFO L82 PathProgramCache]: Analyzing trace with hash -843092643, now seen corresponding path program 1 times [2018-02-04 03:50:06,369 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:06,377 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:06,417 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:06,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:50:06,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:06,417 INFO L182 omatonBuilderFactory]: Interpolants [23524#true, 23525#false, 23526#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23527#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 4) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 23528#(and (<= (+ |main_#t~mem18.offset| 4) (select |#length| |main_#t~mem18.base|)) (<= 0 |main_#t~mem18.offset|))] [2018-02-04 03:50:06,418 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:06,418 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:50:06,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:50:06,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:50:06,418 INFO L87 Difference]: Start difference. First operand 230 states and 248 transitions. Second operand 5 states. [2018-02-04 03:50:06,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:06,485 INFO L93 Difference]: Finished difference Result 232 states and 247 transitions. [2018-02-04 03:50:06,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:50:06,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-02-04 03:50:06,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:06,486 INFO L225 Difference]: With dead ends: 232 [2018-02-04 03:50:06,486 INFO L226 Difference]: Without dead ends: 232 [2018-02-04 03:50:06,487 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:50:06,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-02-04 03:50:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 229. [2018-02-04 03:50:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-02-04 03:50:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 247 transitions. [2018-02-04 03:50:06,489 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 247 transitions. Word has length 88 [2018-02-04 03:50:06,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:06,489 INFO L432 AbstractCegarLoop]: Abstraction has 229 states and 247 transitions. [2018-02-04 03:50:06,489 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:50:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 247 transitions. [2018-02-04 03:50:06,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 03:50:06,490 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:06,490 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:06,490 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:06,491 INFO L82 PathProgramCache]: Analyzing trace with hash -366067921, now seen corresponding path program 1 times [2018-02-04 03:50:06,491 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:06,500 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:06,999 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:07,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:50:07,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:07,000 INFO L182 omatonBuilderFactory]: Interpolants [24000#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 24001#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 24002#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24003#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base))), 24004#(or (= main_~status~0 0) (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 24005#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 24006#(or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)))), 24007#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 24008#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 24009#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 24010#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 24011#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 24012#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 24013#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 24014#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 24015#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|))), 24016#(= 1 (select |#valid| |main_#t~mem19.base|)), 23994#true, 23995#false, 23996#(= (select |#valid| main_~head~0.base) 1), 23997#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 23998#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 23999#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base))] [2018-02-04 03:50:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:07,000 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:50:07,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:50:07,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:50:07,001 INFO L87 Difference]: Start difference. First operand 229 states and 247 transitions. Second operand 23 states. [2018-02-04 03:50:08,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:08,045 INFO L93 Difference]: Finished difference Result 325 states and 349 transitions. [2018-02-04 03:50:08,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:50:08,045 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 89 [2018-02-04 03:50:08,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:08,046 INFO L225 Difference]: With dead ends: 325 [2018-02-04 03:50:08,046 INFO L226 Difference]: Without dead ends: 325 [2018-02-04 03:50:08,047 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=244, Invalid=1648, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:50:08,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-02-04 03:50:08,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 270. [2018-02-04 03:50:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-02-04 03:50:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 290 transitions. [2018-02-04 03:50:08,049 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 290 transitions. Word has length 89 [2018-02-04 03:50:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:08,049 INFO L432 AbstractCegarLoop]: Abstraction has 270 states and 290 transitions. [2018-02-04 03:50:08,049 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:50:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 290 transitions. [2018-02-04 03:50:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 03:50:08,050 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:08,050 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:08,050 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:08,050 INFO L82 PathProgramCache]: Analyzing trace with hash -366067920, now seen corresponding path program 1 times [2018-02-04 03:50:08,050 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:08,064 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:08,647 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:08,647 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:50:08,647 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:08,647 INFO L182 omatonBuilderFactory]: Interpolants [24672#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 24673#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (<= 4 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 24674#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 24675#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 24676#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)))), 24677#(and (<= 4 (select |#length| |main_#t~mem19.base|)) (= |main_#t~mem19.offset| 0)), 24654#true, 24655#false, 24656#(= (select |#valid| main_~head~0.base) 1), 24657#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 24658#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 24659#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 24660#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 24661#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 24662#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24663#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)))), 24664#(or (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 24665#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 24666#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)))), 24667#(or (= main_~status~0 0) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)))), 24668#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 main_~item~0.offset) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 24669#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 main_~item~0.offset) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 24670#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (<= 0 main_~item~0.offset) (not (= main_~head~0.base |main_#t~malloc4.base|))), 24671#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (<= 4 (select |#length| main_~item~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))] [2018-02-04 03:50:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:08,648 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:50:08,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:50:08,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:50:08,648 INFO L87 Difference]: Start difference. First operand 270 states and 290 transitions. Second operand 24 states. [2018-02-04 03:50:09,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:09,974 INFO L93 Difference]: Finished difference Result 324 states and 348 transitions. [2018-02-04 03:50:09,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:50:09,975 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 89 [2018-02-04 03:50:09,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:09,976 INFO L225 Difference]: With dead ends: 324 [2018-02-04 03:50:09,976 INFO L226 Difference]: Without dead ends: 324 [2018-02-04 03:50:09,976 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=301, Invalid=1955, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:50:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-02-04 03:50:09,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 270. [2018-02-04 03:50:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-02-04 03:50:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 289 transitions. [2018-02-04 03:50:09,978 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 289 transitions. Word has length 89 [2018-02-04 03:50:09,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:09,978 INFO L432 AbstractCegarLoop]: Abstraction has 270 states and 289 transitions. [2018-02-04 03:50:09,978 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:50:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 289 transitions. [2018-02-04 03:50:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:50:09,979 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:09,979 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:09,979 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:09,979 INFO L82 PathProgramCache]: Analyzing trace with hash 215614319, now seen corresponding path program 3 times [2018-02-04 03:50:09,979 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:09,987 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:10,629 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:10,629 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:50:10,629 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:10,630 INFO L182 omatonBuilderFactory]: Interpolants [25344#(or (not (= 0 main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 25345#(or (not (= 0 main_~item~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 25346#(or (not (= 0 main_~item~0.offset)) (and (= 0 |main_#t~mem31.offset|) (= 0 |main_#t~mem31.base|))), 25347#(or (not (= 0 main_~item~0.offset)) (and (= 0 main_~head~0.base) (= main_~head~0.offset 0))), 25348#(and (= 0 main_~head~0.base) (= main_~head~0.offset 0)), 25320#true, 25321#false, 25322#(= (select |#valid| main_~head~0.base) 1), 25323#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 25324#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base)), 25325#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0)), 25326#(and (= |main_#t~mem6.offset| 0) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 25327#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset 0)), 25328#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset 0)), 25329#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset 0)) (= main_~status~0 0)), 25330#(or (= main_~status~0 0) (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0))), 25331#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 25332#(or (= main_~status~0 0) (and (not (= main_~head~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|))), 25333#(or (= main_~status~0 0) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset 0))), 25334#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset 0)) (= main_~status~0 0)), 25335#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset 0)), 25336#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~item~0.offset 0)), 25337#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 25338#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) 0))), 25339#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) 0))), 25340#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.offset 0))), 25341#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.offset 0))), 25342#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0))) (not (= main_~item~0.offset 0))), 25343#(or (not (= 0 main_~head~0.offset)) (not (= main_~item~0.offset 0)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:50:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:10,630 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:50:10,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:50:10,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=740, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:50:10,631 INFO L87 Difference]: Start difference. First operand 270 states and 289 transitions. Second operand 29 states. [2018-02-04 03:50:11,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:11,715 INFO L93 Difference]: Finished difference Result 277 states and 293 transitions. [2018-02-04 03:50:11,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:50:11,715 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 90 [2018-02-04 03:50:11,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:11,716 INFO L225 Difference]: With dead ends: 277 [2018-02-04 03:50:11,716 INFO L226 Difference]: Without dead ends: 277 [2018-02-04 03:50:11,717 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=301, Invalid=2351, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:50:11,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-02-04 03:50:11,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 267. [2018-02-04 03:50:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-02-04 03:50:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 286 transitions. [2018-02-04 03:50:11,719 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 286 transitions. Word has length 90 [2018-02-04 03:50:11,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:11,719 INFO L432 AbstractCegarLoop]: Abstraction has 267 states and 286 transitions. [2018-02-04 03:50:11,719 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:50:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 286 transitions. [2018-02-04 03:50:11,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-04 03:50:11,720 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:11,720 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:11,720 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:11,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1905891923, now seen corresponding path program 3 times [2018-02-04 03:50:11,720 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:11,732 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:13,414 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:13,414 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:50:13,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:13,414 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 03:50:13,414 INFO L182 omatonBuilderFactory]: Interpolants [25939#true, 25940#false, 25941#(= |#valid| |old(#valid)|), 25942#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 25943#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 25944#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 25945#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~head~0.base main_~item~0.base) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 25946#(and (= main_~item~0.offset main_~head~0.offset) (= main_~head~0.base main_~item~0.base) (= |old(#valid)| (store (store |#valid| |main_#t~malloc4.base| 0) main_~head~0.base 0)) (= |main_#t~malloc4.offset| 0) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 25947#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset)))), 25948#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 25949#(and (= (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.offset 0)), 25950#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.offset 0)), 25951#(or (= main_~status~0 0) (and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset 0))), 25952#(or (= main_~status~0 0) (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0) |main_#t~malloc4.base| 0) main_~head~0.base 0) |old(#valid)|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.offset 0))), 25953#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~item~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 25954#(or (= main_~status~0 0) (and (not (= main_~head~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base)))), 25955#(or (= main_~status~0 0) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))))), 25956#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base))), 25957#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base))), 25958#(and (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base))), 25959#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base))), 25960#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0) 0) main_~head~0.base 0)) (not (= 0 main_~head~0.base))), 25961#(and (= (store (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~item~0.base))), 25962#(and (or (not (= 0 |main_#t~mem31.base|)) (not (= |main_#t~mem31.offset| 0))) (= (store (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0) 0) |main_#t~mem31.base| 0) |old(#valid)|) (not (= main_~item~0.base |main_#t~mem31.base|)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (not (= 0 main_~item~0.base)) (not (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)))), 25963#(and (or (not (= 0 main_~head~0.base)) (not (= main_~head~0.offset 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (not (= main_~item~0.base main_~head~0.base)) (or (not (= 0 main_~head~0.offset)) (= |old(#valid)| (store (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0))) (not (= 0 main_~item~0.base))), 25964#(and (or (not (= 0 main_~head~0.base)) (not (= main_~head~0.offset 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (or (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.offset)))), 25965#(and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 main_~item~0.offset)) (= (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)) (= main_~head~0.offset main_~item~0.offset)), 25966#(and (or (not (= main_~item~0.offset 0)) (= |old(#valid)| (store (store |#valid| main_~item~0.base 0) |main_#t~mem31.base| 0))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= main_~item~0.offset 0)) (not (= main_~item~0.base |main_#t~mem31.base|)))), 25967#(and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= main_~item~0.offset 0)) (= (store (store |#valid| main_~item~0.base 0) main_~head~0.base 0) |old(#valid)|)) (or (not (= main_~item~0.offset 0)) (not (= main_~item~0.base main_~head~0.base)))), 25968#(= (store |#valid| main_~head~0.base 0) |old(#valid)|), 25969#(and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (= (store |#valid| main_~item~0.base 0) |old(#valid)|))] [2018-02-04 03:50:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:13,414 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:50:13,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:50:13,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:50:13,415 INFO L87 Difference]: Start difference. First operand 267 states and 286 transitions. Second operand 31 states. [2018-02-04 03:50:14,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:14,897 INFO L93 Difference]: Finished difference Result 279 states and 294 transitions. [2018-02-04 03:50:14,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:50:14,897 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 91 [2018-02-04 03:50:14,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:14,897 INFO L225 Difference]: With dead ends: 279 [2018-02-04 03:50:14,897 INFO L226 Difference]: Without dead ends: 259 [2018-02-04 03:50:14,898 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=247, Invalid=2723, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 03:50:14,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-02-04 03:50:14,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 256. [2018-02-04 03:50:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 03:50:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 270 transitions. [2018-02-04 03:50:14,900 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 270 transitions. Word has length 91 [2018-02-04 03:50:14,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:14,900 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 270 transitions. [2018-02-04 03:50:14,900 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:50:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 270 transitions. [2018-02-04 03:50:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 03:50:14,900 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:14,900 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:14,900 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:14,900 INFO L82 PathProgramCache]: Analyzing trace with hash 598524654, now seen corresponding path program 1 times [2018-02-04 03:50:14,901 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:14,908 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:14,944 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:14,944 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:50:14,944 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:14,944 INFO L182 omatonBuilderFactory]: Interpolants [26553#true, 26554#false, 26555#(= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 26556#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 26557#(= 1 (select |#valid| |main_#t~mem21.base|))] [2018-02-04 03:50:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:14,945 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:50:14,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:50:14,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:50:14,945 INFO L87 Difference]: Start difference. First operand 256 states and 270 transitions. Second operand 5 states. [2018-02-04 03:50:15,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:15,025 INFO L93 Difference]: Finished difference Result 258 states and 269 transitions. [2018-02-04 03:50:15,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:50:15,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-02-04 03:50:15,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:15,026 INFO L225 Difference]: With dead ends: 258 [2018-02-04 03:50:15,026 INFO L226 Difference]: Without dead ends: 258 [2018-02-04 03:50:15,026 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:50:15,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-02-04 03:50:15,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2018-02-04 03:50:15,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-02-04 03:50:15,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 269 transitions. [2018-02-04 03:50:15,029 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 269 transitions. Word has length 94 [2018-02-04 03:50:15,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:15,029 INFO L432 AbstractCegarLoop]: Abstraction has 255 states and 269 transitions. [2018-02-04 03:50:15,029 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:50:15,029 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 269 transitions. [2018-02-04 03:50:15,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 03:50:15,030 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:15,030 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:15,030 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:15,030 INFO L82 PathProgramCache]: Analyzing trace with hash 598524655, now seen corresponding path program 1 times [2018-02-04 03:50:15,032 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:15,046 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:15,126 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:15,126 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:15,126 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:50:15,126 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:15,127 INFO L182 omatonBuilderFactory]: Interpolants [27075#true, 27076#false, 27077#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27078#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 4) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 27079#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 4) (select |#length| |main_#t~mem18.base|))), 27080#(and (<= 0 |main_#t~mem21.offset|) (<= (+ |main_#t~mem21.offset| 4) (select |#length| |main_#t~mem21.base|)))] [2018-02-04 03:50:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:15,127 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:50:15,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:50:15,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:50:15,128 INFO L87 Difference]: Start difference. First operand 255 states and 269 transitions. Second operand 6 states. [2018-02-04 03:50:15,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:15,235 INFO L93 Difference]: Finished difference Result 257 states and 268 transitions. [2018-02-04 03:50:15,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:50:15,236 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-02-04 03:50:15,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:15,236 INFO L225 Difference]: With dead ends: 257 [2018-02-04 03:50:15,237 INFO L226 Difference]: Without dead ends: 257 [2018-02-04 03:50:15,237 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:50:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-02-04 03:50:15,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 254. [2018-02-04 03:50:15,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-02-04 03:50:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 268 transitions. [2018-02-04 03:50:15,239 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 268 transitions. Word has length 94 [2018-02-04 03:50:15,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:15,240 INFO L432 AbstractCegarLoop]: Abstraction has 254 states and 268 transitions. [2018-02-04 03:50:15,240 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:50:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 268 transitions. [2018-02-04 03:50:15,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:50:15,240 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:15,241 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:15,241 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:15,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1374395383, now seen corresponding path program 1 times [2018-02-04 03:50:15,241 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:15,249 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:15,299 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:15,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:50:15,299 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:15,299 INFO L182 omatonBuilderFactory]: Interpolants [27600#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27601#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|))), 27602#(= 1 (select |#valid| |main_#t~mem22.base|)), 27596#true, 27597#false, 27598#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27599#(= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:50:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:15,300 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:50:15,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:50:15,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:50:15,300 INFO L87 Difference]: Start difference. First operand 254 states and 268 transitions. Second operand 7 states. [2018-02-04 03:50:15,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:15,406 INFO L93 Difference]: Finished difference Result 256 states and 267 transitions. [2018-02-04 03:50:15,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:50:15,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-02-04 03:50:15,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:15,407 INFO L225 Difference]: With dead ends: 256 [2018-02-04 03:50:15,407 INFO L226 Difference]: Without dead ends: 256 [2018-02-04 03:50:15,407 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:50:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-02-04 03:50:15,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2018-02-04 03:50:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-02-04 03:50:15,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 267 transitions. [2018-02-04 03:50:15,409 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 267 transitions. Word has length 95 [2018-02-04 03:50:15,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:15,409 INFO L432 AbstractCegarLoop]: Abstraction has 253 states and 267 transitions. [2018-02-04 03:50:15,409 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:50:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 267 transitions. [2018-02-04 03:50:15,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:50:15,410 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:15,410 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:15,410 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:15,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1374395384, now seen corresponding path program 1 times [2018-02-04 03:50:15,410 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:15,419 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:15,471 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:15,471 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:50:15,471 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:15,471 INFO L182 omatonBuilderFactory]: Interpolants [28120#true, 28121#false, 28122#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28123#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 28124#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28125#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)))), 28126#(and (<= (+ |main_#t~mem22.offset| 4) (select |#length| |main_#t~mem22.base|)) (<= 0 |main_#t~mem22.offset|))] [2018-02-04 03:50:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:15,472 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:50:15,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:50:15,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:50:15,472 INFO L87 Difference]: Start difference. First operand 253 states and 267 transitions. Second operand 7 states. [2018-02-04 03:50:15,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:15,582 INFO L93 Difference]: Finished difference Result 255 states and 266 transitions. [2018-02-04 03:50:15,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:50:15,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-02-04 03:50:15,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:15,583 INFO L225 Difference]: With dead ends: 255 [2018-02-04 03:50:15,583 INFO L226 Difference]: Without dead ends: 255 [2018-02-04 03:50:15,583 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:50:15,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-02-04 03:50:15,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 252. [2018-02-04 03:50:15,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-02-04 03:50:15,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 266 transitions. [2018-02-04 03:50:15,585 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 266 transitions. Word has length 95 [2018-02-04 03:50:15,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:15,585 INFO L432 AbstractCegarLoop]: Abstraction has 252 states and 266 transitions. [2018-02-04 03:50:15,585 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:50:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 266 transitions. [2018-02-04 03:50:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 03:50:15,586 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:15,586 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:15,586 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:15,586 INFO L82 PathProgramCache]: Analyzing trace with hash -343415791, now seen corresponding path program 1 times [2018-02-04 03:50:15,586 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:15,595 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:16,217 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:16,218 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:16,218 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:50:16,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:16,218 INFO L182 omatonBuilderFactory]: Interpolants [28642#true, 28643#false, 28644#(= (select |#valid| main_~head~0.base) 1), 28645#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 28646#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 28647#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 28648#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 28649#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 28650#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28651#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base))), 28652#(or (= main_~status~0 0) (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 28653#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 28654#(or (= main_~status~0 0) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28655#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~status~0 0)), 28656#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 28657#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0))), 28658#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 28659#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 28660#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28661#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 28662#(and (= 1 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28663#(and (= 1 (select |#valid| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28664#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28665#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 28666#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28667#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 28668#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|)))), 28669#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))), 28670#(= 1 (select |#valid| |main_#t~mem23.base|))] [2018-02-04 03:50:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:16,218 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:50:16,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:50:16,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=740, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:50:16,219 INFO L87 Difference]: Start difference. First operand 252 states and 266 transitions. Second operand 29 states. [2018-02-04 03:50:17,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:17,684 INFO L93 Difference]: Finished difference Result 301 states and 320 transitions. [2018-02-04 03:50:17,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:50:17,684 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 96 [2018-02-04 03:50:17,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:17,685 INFO L225 Difference]: With dead ends: 301 [2018-02-04 03:50:17,685 INFO L226 Difference]: Without dead ends: 301 [2018-02-04 03:50:17,685 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=328, Invalid=2752, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 03:50:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-02-04 03:50:17,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 259. [2018-02-04 03:50:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-02-04 03:50:17,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 274 transitions. [2018-02-04 03:50:17,687 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 274 transitions. Word has length 96 [2018-02-04 03:50:17,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:17,687 INFO L432 AbstractCegarLoop]: Abstraction has 259 states and 274 transitions. [2018-02-04 03:50:17,687 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:50:17,687 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 274 transitions. [2018-02-04 03:50:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 03:50:17,688 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:17,688 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:17,688 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:17,688 INFO L82 PathProgramCache]: Analyzing trace with hash -343415790, now seen corresponding path program 1 times [2018-02-04 03:50:17,689 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:17,698 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:18,417 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:18,417 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:18,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:50:18,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:18,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:18,417 INFO L182 omatonBuilderFactory]: Interpolants [29285#true, 29286#false, 29287#(= (select |#valid| main_~head~0.base) 1), 29288#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 29289#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 29290#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 29291#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 29292#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 29293#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29294#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base))), 29295#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))), 29296#(and (or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)) (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 (select |#valid| main_~item~0.base))), 29297#(or (= main_~status~0 0) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 29298#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~status~0 0)), 29299#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 29300#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0))), 29301#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc4.base|))), 29302#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 29303#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 29304#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 29305#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 29306#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 29307#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29308#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 29309#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))))), 29310#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) |main_#t~mem22.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|)))), 29311#(and (= |main_#t~mem23.offset| 0) (= 8 (select |#length| |main_#t~mem23.base|)))] [2018-02-04 03:50:18,417 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:18,418 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:50:18,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:50:18,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:50:18,418 INFO L87 Difference]: Start difference. First operand 259 states and 274 transitions. Second operand 27 states. [2018-02-04 03:50:20,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:20,007 INFO L93 Difference]: Finished difference Result 300 states and 319 transitions. [2018-02-04 03:50:20,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:50:20,007 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 96 [2018-02-04 03:50:20,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:20,007 INFO L225 Difference]: With dead ends: 300 [2018-02-04 03:50:20,008 INFO L226 Difference]: Without dead ends: 300 [2018-02-04 03:50:20,008 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=286, Invalid=2366, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:50:20,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-02-04 03:50:20,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 259. [2018-02-04 03:50:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-02-04 03:50:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 273 transitions. [2018-02-04 03:50:20,009 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 273 transitions. Word has length 96 [2018-02-04 03:50:20,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:20,010 INFO L432 AbstractCegarLoop]: Abstraction has 259 states and 273 transitions. [2018-02-04 03:50:20,010 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:50:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 273 transitions. [2018-02-04 03:50:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 03:50:20,010 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:20,010 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:20,010 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:20,010 INFO L82 PathProgramCache]: Analyzing trace with hash -338570031, now seen corresponding path program 2 times [2018-02-04 03:50:20,011 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:20,017 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:20,514 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:20,514 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:50:20,514 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:20,514 INFO L182 omatonBuilderFactory]: Interpolants [29921#true, 29922#false, 29923#(= (select |#valid| main_~head~0.base) 1), 29924#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 29925#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 29926#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 29927#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 29928#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 29929#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29930#(and (or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)))) (= main_~status~0 (select |#valid| main_~item~0.base))), 29931#(and (or (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 0)) (or (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0))), 29932#(and (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))))), 29933#(or (= main_~status~0 0) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.offset|) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 29934#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~status~0 0)), 29935#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 29936#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29937#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))), 29938#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 29939#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 29940#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)))), 29941#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))), 29942#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem30.base|) |main_#t~mem30.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem30.base|) |main_#t~mem30.offset|))), 29943#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))), 29944#(and (= 0 |main_#t~mem30.offset|) (= 0 |main_#t~mem30.base|)), 29945#(and (= 0 main_~item~0.base) (= main_~item~0.offset 0)), 29946#(not |main_#t~short27|)] [2018-02-04 03:50:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:20,515 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:50:20,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:50:20,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:50:20,515 INFO L87 Difference]: Start difference. First operand 259 states and 273 transitions. Second operand 26 states. [2018-02-04 03:50:21,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:21,520 INFO L93 Difference]: Finished difference Result 251 states and 261 transitions. [2018-02-04 03:50:21,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:50:21,520 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 99 [2018-02-04 03:50:21,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:21,521 INFO L225 Difference]: With dead ends: 251 [2018-02-04 03:50:21,521 INFO L226 Difference]: Without dead ends: 204 [2018-02-04 03:50:21,521 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=280, Invalid=2072, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 03:50:21,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-02-04 03:50:21,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-02-04 03:50:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-02-04 03:50:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 214 transitions. [2018-02-04 03:50:21,523 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 214 transitions. Word has length 99 [2018-02-04 03:50:21,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:21,523 INFO L432 AbstractCegarLoop]: Abstraction has 204 states and 214 transitions. [2018-02-04 03:50:21,523 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:50:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 214 transitions. [2018-02-04 03:50:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-02-04 03:50:21,524 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:21,524 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:21,524 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:21,524 INFO L82 PathProgramCache]: Analyzing trace with hash -994080941, now seen corresponding path program 1 times [2018-02-04 03:50:21,524 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:21,529 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:21,561 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:21,561 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:50:21,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:21,561 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 03:50:21,562 INFO L182 omatonBuilderFactory]: Interpolants [30448#true, 30449#false, 30450#(= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 30451#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 30452#(= 1 (select |#valid| |main_#t~mem25.base|)), 30453#(= 1 (select |#valid| main_~item~0.base))] [2018-02-04 03:50:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:21,562 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:50:21,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:50:21,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:50:21,562 INFO L87 Difference]: Start difference. First operand 204 states and 214 transitions. Second operand 6 states. [2018-02-04 03:50:21,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:21,649 INFO L93 Difference]: Finished difference Result 215 states and 227 transitions. [2018-02-04 03:50:21,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:50:21,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2018-02-04 03:50:21,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:21,650 INFO L225 Difference]: With dead ends: 215 [2018-02-04 03:50:21,650 INFO L226 Difference]: Without dead ends: 215 [2018-02-04 03:50:21,650 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:50:21,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-02-04 03:50:21,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 208. [2018-02-04 03:50:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-02-04 03:50:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 221 transitions. [2018-02-04 03:50:21,652 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 221 transitions. Word has length 107 [2018-02-04 03:50:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:21,652 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 221 transitions. [2018-02-04 03:50:21,652 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:50:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 221 transitions. [2018-02-04 03:50:21,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-02-04 03:50:21,652 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:21,652 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:21,652 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:21,652 INFO L82 PathProgramCache]: Analyzing trace with hash -994080940, now seen corresponding path program 1 times [2018-02-04 03:50:21,653 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:21,663 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:22,455 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:22,456 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:50:22,456 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:22,456 INFO L182 omatonBuilderFactory]: Interpolants [30912#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30913#(and (<= (+ |main_#t~mem25.offset| 8) (select |#length| |main_#t~mem25.base|)) (<= 0 |main_#t~mem25.offset|)), 30914#(and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 30885#true, 30886#false, 30887#(= 0 (select |#valid| 0)), 30888#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 30889#(and (= 0 (select |#valid| 0)) (= main_~head~0.offset 0)), 30890#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 30891#(and (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 30892#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 30893#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 30894#(and (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 30895#(and (= 8 (select |#length| main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 30896#(and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30897#(or (and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 30898#(or (and (= 8 (select |#length| main_~item~0.base)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 30899#(or (and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 30900#(or (= main_~status~0 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 30901#(or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 30902#(and (not (= 1 (select |#valid| 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30903#(and (not (= 1 (select |#valid| 0))) (= main_~head~0.offset |main_#t~malloc4.offset|) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))), 30904#(and (not (= 1 (select |#valid| 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 30905#(and (not (= 1 (select |#valid| 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset |main_#t~mem6.offset|)), 30906#(or (and (not (= 1 (select |#valid| 0))) (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 30907#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~item~0.offset main_~head~0.offset) (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base))), 30908#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 30909#(and (or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| 0) (= 8 (select |#length| |main_#t~mem16.base|))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 1 (select |#valid| |main_#t~mem16.base|))))) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30910#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 30911#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| |main_#t~mem18.base|) 8))] [2018-02-04 03:50:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:22,456 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:50:22,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:50:22,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:50:22,457 INFO L87 Difference]: Start difference. First operand 208 states and 221 transitions. Second operand 30 states. [2018-02-04 03:50:24,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:24,506 INFO L93 Difference]: Finished difference Result 215 states and 227 transitions. [2018-02-04 03:50:24,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:50:24,506 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 107 [2018-02-04 03:50:24,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:24,507 INFO L225 Difference]: With dead ends: 215 [2018-02-04 03:50:24,507 INFO L226 Difference]: Without dead ends: 215 [2018-02-04 03:50:24,507 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=828, Invalid=3078, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:50:24,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-02-04 03:50:24,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 212. [2018-02-04 03:50:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-02-04 03:50:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 224 transitions. [2018-02-04 03:50:24,508 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 224 transitions. Word has length 107 [2018-02-04 03:50:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:24,509 INFO L432 AbstractCegarLoop]: Abstraction has 212 states and 224 transitions. [2018-02-04 03:50:24,509 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:50:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 224 transitions. [2018-02-04 03:50:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-02-04 03:50:24,509 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:24,509 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:50:24,509 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:24,509 INFO L82 PathProgramCache]: Analyzing trace with hash 323737338, now seen corresponding path program 2 times [2018-02-04 03:50:24,510 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:24,519 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,268 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:25,268 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:50:25,269 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,269 INFO L182 omatonBuilderFactory]: Interpolants [31424#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 1 (select |#valid| main_~item~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 31425#(and (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 31426#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 31427#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 31428#(and (or (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 31429#(and (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 31430#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (or (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))))), 31431#(and (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 31432#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 31433#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 31434#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|))), 31435#(= 1 (select |#valid| |main_#t~mem19.base|)), 31408#true, 31409#false, 31410#(= (select |#valid| main_~head~0.base) 1), 31411#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 31412#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 31413#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 31414#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 31415#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 31416#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 31417#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)))), 31418#(or (= main_~status~0 0) (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 31419#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 31420#(or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)))), 31421#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 31422#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 31423#(and (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= (select |#valid| main_~head~0.base) 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)))] [2018-02-04 03:50:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,270 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:50:25,270 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:50:25,270 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:50:25,270 INFO L87 Difference]: Start difference. First operand 212 states and 224 transitions. Second operand 28 states. [2018-02-04 03:50:26,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:26,855 INFO L93 Difference]: Finished difference Result 211 states and 223 transitions. [2018-02-04 03:50:26,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:50:26,856 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 108 [2018-02-04 03:50:26,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:26,856 INFO L225 Difference]: With dead ends: 211 [2018-02-04 03:50:26,856 INFO L226 Difference]: Without dead ends: 211 [2018-02-04 03:50:26,857 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=348, Invalid=2408, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:50:26,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-02-04 03:50:26,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-02-04 03:50:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-02-04 03:50:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 223 transitions. [2018-02-04 03:50:26,858 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 223 transitions. Word has length 108 [2018-02-04 03:50:26,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:26,859 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 223 transitions. [2018-02-04 03:50:26,859 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:50:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 223 transitions. [2018-02-04 03:50:26,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-02-04 03:50:26,859 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:26,859 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:50:26,859 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:26,859 INFO L82 PathProgramCache]: Analyzing trace with hash 323737339, now seen corresponding path program 2 times [2018-02-04 03:50:26,860 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:26,871 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:27,967 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:27,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:50:27,967 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:27,968 INFO L182 omatonBuilderFactory]: Interpolants [31936#(or (and (= 0 |main_#t~mem15.base|) (= |main_#t~mem15.offset| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 31937#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 31938#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 31939#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)))), 31940#(and (= |main_#t~mem19.offset| 0) (= (select |#length| |main_#t~mem19.base|) 8)), 31908#true, 31909#false, 31910#(= |main_#t~malloc0.offset| 0), 31911#(= main_~head~0.offset 0), 31912#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 31913#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 31914#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 31915#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 31916#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 31917#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 31918#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 31919#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 31920#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))), 31921#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)) (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 (select |#valid| main_~item~0.base))), 31922#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= 8 (select |#length| |main_#t~mem6.base|)) (= main_~head~0.offset 0))), 31923#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 31924#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0))), 31925#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0)), 31926#(and (= 8 (select |#length| main_~item~0.base)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 31927#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 31928#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0)), 31929#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 31930#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 31931#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 31932#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset |main_#t~mem6.offset|)), 31933#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)))), 31934#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 31935#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))] [2018-02-04 03:50:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:27,968 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:50:27,968 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:50:27,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=930, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:50:27,969 INFO L87 Difference]: Start difference. First operand 211 states and 223 transitions. Second operand 33 states. [2018-02-04 03:50:30,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:30,083 INFO L93 Difference]: Finished difference Result 313 states and 333 transitions. [2018-02-04 03:50:30,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:50:30,084 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 108 [2018-02-04 03:50:30,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:30,084 INFO L225 Difference]: With dead ends: 313 [2018-02-04 03:50:30,084 INFO L226 Difference]: Without dead ends: 313 [2018-02-04 03:50:30,085 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=777, Invalid=3915, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 03:50:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-02-04 03:50:30,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 252. [2018-02-04 03:50:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-02-04 03:50:30,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 265 transitions. [2018-02-04 03:50:30,086 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 265 transitions. Word has length 108 [2018-02-04 03:50:30,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:30,086 INFO L432 AbstractCegarLoop]: Abstraction has 252 states and 265 transitions. [2018-02-04 03:50:30,086 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:50:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 265 transitions. [2018-02-04 03:50:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-02-04 03:50:30,087 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:30,087 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-02-04 03:50:30,087 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:30,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1995035551, now seen corresponding path program 1 times [2018-02-04 03:50:30,087 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:30,094 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:30,576 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 03:50:30,576 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:30,576 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:50:30,576 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:30,577 INFO L182 omatonBuilderFactory]: Interpolants [32578#true, 32579#false, 32580#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 32581#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 32582#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 32583#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 32584#(and (= main_~item~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 32585#(and (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset)))), 32586#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 32587#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 32588#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 32589#(or (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 32590#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 32591#(or (and (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 32592#(or (= main_~status~0 0) (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0))), 32593#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 32594#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= 0 main_~head~0.base))), 32595#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 32596#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset |main_#t~mem6.offset|)), 32597#(and (not (= 0 main_~head~0.base)) (or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base))))), 32598#(and (not (= 0 main_~head~0.base)) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base))) (and (= main_~item~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) main_~head~0.base)) (= main_~item~0.base main_~head~0.base)))), 32599#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 32600#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= 0 main_~head~0.base))), 32601#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 32602#(and (not (= 0 main_~item~0.base)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 32603#(and (= 1 (select (store |#valid| main_~item~0.base 0) |main_#t~mem31.base|)) (not (= 0 main_~item~0.base))), 32604#(and (= 1 (select (store |#valid| main_~item~0.base 0) main_~head~0.base)) (not (= 0 main_~item~0.base))), 32605#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:50:30,577 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 03:50:30,577 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:50:30,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:50:30,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=663, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:50:30,577 INFO L87 Difference]: Start difference. First operand 252 states and 265 transitions. Second operand 28 states. [2018-02-04 03:50:32,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:32,102 INFO L93 Difference]: Finished difference Result 256 states and 266 transitions. [2018-02-04 03:50:32,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:50:32,102 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 112 [2018-02-04 03:50:32,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:32,103 INFO L225 Difference]: With dead ends: 256 [2018-02-04 03:50:32,103 INFO L226 Difference]: Without dead ends: 256 [2018-02-04 03:50:32,103 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=714, Invalid=2708, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:50:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-02-04 03:50:32,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 252. [2018-02-04 03:50:32,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-02-04 03:50:32,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 264 transitions. [2018-02-04 03:50:32,105 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 264 transitions. Word has length 112 [2018-02-04 03:50:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:32,105 INFO L432 AbstractCegarLoop]: Abstraction has 252 states and 264 transitions. [2018-02-04 03:50:32,105 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:50:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 264 transitions. [2018-02-04 03:50:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-02-04 03:50:32,105 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:32,106 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-02-04 03:50:32,106 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:32,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1995035552, now seen corresponding path program 1 times [2018-02-04 03:50:32,106 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:32,114 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:32,608 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 03:50:32,609 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:32,609 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:50:32,609 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:32,609 INFO L182 omatonBuilderFactory]: Interpolants [33176#true, 33177#false, 33178#(= (select |#valid| main_~head~0.base) 1), 33179#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 33180#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 33181#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 33182#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 33183#(and (= 8 (select |#length| main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 33184#(and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33185#(or (= main_~status~0 0) (and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 33186#(or (and (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~item~0.base) 8) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 33187#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= (select |#length| main_~item~0.base) 8) (= main_~status~0 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 33188#(or (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 33189#(or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)))), 33190#(and (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33191#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)))), 33192#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 33193#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33194#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base))), 33195#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33196#(and (= |main_#t~mem16.offset| 0) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 33197#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33198#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| |main_#t~mem18.base|))), 33199#(and (<= 0 |main_#t~mem31.offset|) (<= (+ |main_#t~mem31.offset| 8) (select |#length| |main_#t~mem31.base|))), 33200#(and (<= 0 main_~head~0.offset) (<= (+ main_~head~0.offset 8) (select |#length| main_~head~0.base)))] [2018-02-04 03:50:32,609 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 03:50:32,609 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:50:32,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:50:32,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=518, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:50:32,610 INFO L87 Difference]: Start difference. First operand 252 states and 264 transitions. Second operand 25 states. [2018-02-04 03:50:33,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:33,621 INFO L93 Difference]: Finished difference Result 255 states and 265 transitions. [2018-02-04 03:50:33,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:50:33,621 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 112 [2018-02-04 03:50:33,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:33,622 INFO L225 Difference]: With dead ends: 255 [2018-02-04 03:50:33,622 INFO L226 Difference]: Without dead ends: 255 [2018-02-04 03:50:33,622 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=377, Invalid=1693, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:50:33,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-02-04 03:50:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 252. [2018-02-04 03:50:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-02-04 03:50:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 263 transitions. [2018-02-04 03:50:33,624 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 263 transitions. Word has length 112 [2018-02-04 03:50:33,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:33,624 INFO L432 AbstractCegarLoop]: Abstraction has 252 states and 263 transitions. [2018-02-04 03:50:33,624 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:50:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 263 transitions. [2018-02-04 03:50:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-02-04 03:50:33,624 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:33,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:33,624 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:33,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1716558717, now seen corresponding path program 1 times [2018-02-04 03:50:33,625 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:33,630 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:33,667 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:33,667 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 03:50:33,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:33,668 INFO L182 omatonBuilderFactory]: Interpolants [33750#true, 33751#false, 33752#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 33753#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 33754#(or (not (= 0 |main_#t~mem31.base|)) (not (= |main_#t~mem31.offset| 0))), 33755#(or (not (= 0 main_~head~0.base)) (not (= main_~head~0.offset 0)))] [2018-02-04 03:50:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:33,668 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:50:33,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:50:33,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:50:33,668 INFO L87 Difference]: Start difference. First operand 252 states and 263 transitions. Second operand 6 states. [2018-02-04 03:50:33,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:33,752 INFO L93 Difference]: Finished difference Result 252 states and 261 transitions. [2018-02-04 03:50:33,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:50:33,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-02-04 03:50:33,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:33,753 INFO L225 Difference]: With dead ends: 252 [2018-02-04 03:50:33,753 INFO L226 Difference]: Without dead ends: 244 [2018-02-04 03:50:33,753 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 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 03:50:33,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-02-04 03:50:33,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2018-02-04 03:50:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-02-04 03:50:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 253 transitions. [2018-02-04 03:50:33,754 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 253 transitions. Word has length 113 [2018-02-04 03:50:33,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:33,754 INFO L432 AbstractCegarLoop]: Abstraction has 244 states and 253 transitions. [2018-02-04 03:50:33,754 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:50:33,755 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 253 transitions. [2018-02-04 03:50:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-02-04 03:50:33,755 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:33,755 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:50:33,755 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:33,755 INFO L82 PathProgramCache]: Analyzing trace with hash -388955674, now seen corresponding path program 2 times [2018-02-04 03:50:33,756 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:33,776 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:35,574 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:35,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 03:50:35,575 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:35,575 INFO L182 omatonBuilderFactory]: Interpolants [34258#true, 34259#false, 34260#(= |main_#t~malloc0.offset| 0), 34261#(= main_~head~0.offset 0), 34262#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 34263#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 34264#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (not (= |main_#t~malloc4.base| 0)) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 34265#(and (= main_~head~0.offset main_~item~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset) 0) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset) 0))), 34266#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 34267#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 34268#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 34269#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)) (= main_~status~0 0)), 34270#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 34271#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 34272#(or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= |main_#t~mem6.offset| 0) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)) (= main_~status~0 0)), 34273#(or (= main_~status~0 0) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0))), 34274#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 34275#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 34276#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) 0) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= main_~item~0.offset 0)), 34277#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 34278#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 34279#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 34280#(and (or (and (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) 0) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0))) (and (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) 0) (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.offset|))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= main_~head~0.offset |main_#t~malloc4.offset|)), 34281#(and (or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 1 (select |#valid| main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (and (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 34282#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|))) (= main_~head~0.offset |main_#t~mem6.offset|)), 34283#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (or (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (or (and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)))) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0))) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (or (and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))))) (not (= main_~item~0.base main_~head~0.base))) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base))), 34284#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (or (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)))), 34285#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34286#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34287#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem15.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34288#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34289#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34290#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem17.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem17.offset|))), 34291#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34292#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34293#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 34294#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|)))), 34295#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))), 34296#(= 1 (select |#valid| |main_#t~mem23.base|))] [2018-02-04 03:50:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:35,576 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 03:50:35,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 03:50:35,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1368, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:50:35,576 INFO L87 Difference]: Start difference. First operand 244 states and 253 transitions. Second operand 39 states. [2018-02-04 03:50:37,574 WARN L146 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 139 DAG size of output 74 [2018-02-04 03:50:37,761 WARN L146 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 151 DAG size of output 79 [2018-02-04 03:50:39,556 WARN L146 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 110 DAG size of output 101 [2018-02-04 03:50:40,471 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 107 DAG size of output 90 [2018-02-04 03:50:40,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:40,674 INFO L93 Difference]: Finished difference Result 299 states and 314 transitions. [2018-02-04 03:50:40,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 03:50:40,674 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 115 [2018-02-04 03:50:40,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:40,675 INFO L225 Difference]: With dead ends: 299 [2018-02-04 03:50:40,675 INFO L226 Difference]: Without dead ends: 299 [2018-02-04 03:50:40,676 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1904 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1114, Invalid=6896, Unknown=0, NotChecked=0, Total=8010 [2018-02-04 03:50:40,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-02-04 03:50:40,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 251. [2018-02-04 03:50:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-02-04 03:50:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 261 transitions. [2018-02-04 03:50:40,677 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 261 transitions. Word has length 115 [2018-02-04 03:50:40,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:40,677 INFO L432 AbstractCegarLoop]: Abstraction has 251 states and 261 transitions. [2018-02-04 03:50:40,677 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 03:50:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 261 transitions. [2018-02-04 03:50:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-02-04 03:50:40,678 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:40,678 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:50:40,678 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:40,678 INFO L82 PathProgramCache]: Analyzing trace with hash -388955673, now seen corresponding path program 2 times [2018-02-04 03:50:40,679 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:40,695 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:42,606 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:42,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:50:42,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:42,607 INFO L182 omatonBuilderFactory]: Interpolants [34949#true, 34950#false, 34951#(= |main_#t~malloc0.offset| 0), 34952#(= main_~head~0.offset 0), 34953#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 34954#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 34955#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 34956#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 34957#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 34958#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 34959#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34960#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34961#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))), 34962#(and (or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)) (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 (select |#valid| main_~item~0.base))), 34963#(or (= main_~status~0 0) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34964#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~status~0 0)), 34965#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 34966#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34967#(or (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|) (= main_~head~0.offset 0)) (and (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc4.base|)))), 34968#(or (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset 0) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34969#(or (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset 0) (= main_~head~0.offset |main_#t~mem6.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34970#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0))), 34971#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)) (and (= 8 (select |#length| main_~item~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34972#(or (and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))) (and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base)) (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|))), 34973#(or (and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)) (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= 8 (select |#length| main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))), 34974#(or (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|)) (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset |main_#t~mem6.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset |main_#t~mem6.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 34975#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)))), 34976#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 34977#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34978#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34979#(or (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 0 |main_#t~mem15.base|)) (= |main_#t~mem15.offset| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34980#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34981#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 34982#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem17.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 34983#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 34984#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34985#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34986#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))))), 34987#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) |main_#t~mem22.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|)))), 34988#(and (= |main_#t~mem23.offset| 0) (= 8 (select |#length| |main_#t~mem23.base|)))] [2018-02-04 03:50:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:42,608 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:50:42,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:50:42,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1424, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:50:42,608 INFO L87 Difference]: Start difference. First operand 251 states and 261 transitions. Second operand 40 states. [2018-02-04 03:50:44,503 WARN L146 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 119 DAG size of output 107 [2018-02-04 03:50:44,763 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 110 DAG size of output 98 [2018-02-04 03:50:44,920 WARN L146 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 104 DAG size of output 92 [2018-02-04 03:50:45,074 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 119 DAG size of output 105 [2018-02-04 03:50:45,243 WARN L146 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 126 DAG size of output 111 [2018-02-04 03:50:45,539 WARN L146 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 112 DAG size of output 93 [2018-02-04 03:50:45,871 WARN L146 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 112 DAG size of output 98 [2018-02-04 03:50:46,059 WARN L146 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 121 DAG size of output 107 [2018-02-04 03:50:46,234 WARN L146 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 126 DAG size of output 112 [2018-02-04 03:50:47,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:47,511 INFO L93 Difference]: Finished difference Result 312 states and 329 transitions. [2018-02-04 03:50:47,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 03:50:47,511 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 115 [2018-02-04 03:50:47,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:47,512 INFO L225 Difference]: With dead ends: 312 [2018-02-04 03:50:47,512 INFO L226 Difference]: Without dead ends: 312 [2018-02-04 03:50:47,513 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2054 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1105, Invalid=7085, Unknown=0, NotChecked=0, Total=8190 [2018-02-04 03:50:47,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-02-04 03:50:47,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 222. [2018-02-04 03:50:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-02-04 03:50:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 231 transitions. [2018-02-04 03:50:47,514 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 231 transitions. Word has length 115 [2018-02-04 03:50:47,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:47,514 INFO L432 AbstractCegarLoop]: Abstraction has 222 states and 231 transitions. [2018-02-04 03:50:47,514 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:50:47,515 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 231 transitions. [2018-02-04 03:50:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-02-04 03:50:47,515 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:47,515 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:47,515 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:47,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1502836841, now seen corresponding path program 2 times [2018-02-04 03:50:47,516 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:47,525 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:48,447 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:48,447 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:50:48,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:48,447 INFO L182 omatonBuilderFactory]: Interpolants [35648#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 |main_#t~mem15.base|)) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 35649#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 35650#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)))), 35651#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~item~0.base)))), 35652#(or (and (not (= 0 |main_#t~mem31.base|)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (not (= 0 main_~item~0.base)) (not (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)))) (not (= |main_#t~mem31.offset| 0))), 35653#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 main_~item~0.base)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.offset 0))), 35654#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))) (not (= main_~head~0.offset 0))), 35655#(or (and (not (= 0 main_~item~0.base)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.offset 0))), 35656#(or (not (= main_~item~0.offset 0)) (and (= 1 (select (store |#valid| main_~item~0.base 0) |main_#t~mem31.base|)) (not (= 0 main_~item~0.base)))), 35657#(or (not (= main_~item~0.offset 0)) (and (= 1 (select (store |#valid| main_~item~0.base 0) main_~head~0.base)) (not (= 0 main_~item~0.base)))), 35658#(= 1 (select |#valid| main_~head~0.base)), 35625#true, 35626#false, 35627#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 35628#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 35629#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 35630#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 35631#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= |main_#t~malloc4.offset| 0) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 35632#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0)), 35633#(and (= |main_#t~mem6.offset| 0) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 35634#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 35635#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 35636#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 35637#(or (= main_~status~0 0) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= main_~item~0.offset 0))), 35638#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.offset 0)) (= main_~status~0 0)), 35639#(or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= main_~head~0.offset 0))), 35640#(or (and (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) main_~item~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 35641#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0)), 35642#(and (not (= main_~head~0.base main_~item~0.base)) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) main_~item~0.base)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base))), 35643#(and (not (= main_~head~0.base main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 1 (select |#valid| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 35644#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~head~0.offset |main_#t~mem6.offset|)), 35645#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))))), 35646#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 35647#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))))] [2018-02-04 03:50:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:48,448 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:50:48,448 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:50:48,448 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1024, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:50:48,448 INFO L87 Difference]: Start difference. First operand 222 states and 231 transitions. Second operand 34 states. [2018-02-04 03:50:51,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:51,070 INFO L93 Difference]: Finished difference Result 303 states and 318 transitions. [2018-02-04 03:50:51,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 03:50:51,070 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 117 [2018-02-04 03:50:51,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:51,071 INFO L225 Difference]: With dead ends: 303 [2018-02-04 03:50:51,071 INFO L226 Difference]: Without dead ends: 303 [2018-02-04 03:50:51,071 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1281 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=744, Invalid=4956, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 03:50:51,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-02-04 03:50:51,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 295. [2018-02-04 03:50:51,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-02-04 03:50:51,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 316 transitions. [2018-02-04 03:50:51,073 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 316 transitions. Word has length 117 [2018-02-04 03:50:51,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:51,073 INFO L432 AbstractCegarLoop]: Abstraction has 295 states and 316 transitions. [2018-02-04 03:50:51,073 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:50:51,073 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 316 transitions. [2018-02-04 03:50:51,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-02-04 03:50:51,074 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:51,074 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:51,074 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:51,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1502836840, now seen corresponding path program 2 times [2018-02-04 03:50:51,074 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:51,081 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:51,199 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:51,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-02-04 03:50:51,199 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:51,199 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 03:50:51,199 INFO L182 omatonBuilderFactory]: Interpolants [36341#true, 36342#false, 36343#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36344#(= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36345#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 36346#(and (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem22.offset|) (<= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 36347#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 36348#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 36349#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 4) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 36350#(and (<= 0 |main_#t~mem31.offset|) (<= (+ |main_#t~mem31.offset| 4) (select |#length| |main_#t~mem31.base|))), 36351#(and (<= (+ main_~head~0.offset 4) (select |#length| main_~head~0.base)) (<= 0 main_~head~0.offset))] [2018-02-04 03:50:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:51,200 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:50:51,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:50:51,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:50:51,200 INFO L87 Difference]: Start difference. First operand 295 states and 316 transitions. Second operand 11 states. [2018-02-04 03:50:51,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:51,424 INFO L93 Difference]: Finished difference Result 302 states and 322 transitions. [2018-02-04 03:50:51,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:50:51,424 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 117 [2018-02-04 03:50:51,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:51,425 INFO L225 Difference]: With dead ends: 302 [2018-02-04 03:50:51,425 INFO L226 Difference]: Without dead ends: 302 [2018-02-04 03:50:51,425 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:50:51,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-02-04 03:50:51,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2018-02-04 03:50:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2018-02-04 03:50:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 320 transitions. [2018-02-04 03:50:51,427 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 320 transitions. Word has length 117 [2018-02-04 03:50:51,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:51,427 INFO L432 AbstractCegarLoop]: Abstraction has 298 states and 320 transitions. [2018-02-04 03:50:51,427 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:50:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 320 transitions. [2018-02-04 03:50:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-02-04 03:50:51,427 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:51,427 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:51,427 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:51,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1997530975, now seen corresponding path program 1 times [2018-02-04 03:50:51,428 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:51,434 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:51,452 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-02-04 03:50:51,453 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:51,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:50:51,453 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:51,453 INFO L182 omatonBuilderFactory]: Interpolants [36972#true, 36973#false, 36974#(= main_~status~0 3), 36975#(and (not (= main_~status~0 0)) (not |main_#t~short29|))] [2018-02-04 03:50:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-02-04 03:50:51,453 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:50:51,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:50:51,453 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:50:51,454 INFO L87 Difference]: Start difference. First operand 298 states and 320 transitions. Second operand 4 states. [2018-02-04 03:50:51,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:51,469 INFO L93 Difference]: Finished difference Result 291 states and 306 transitions. [2018-02-04 03:50:51,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:50:51,469 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2018-02-04 03:50:51,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:51,470 INFO L225 Difference]: With dead ends: 291 [2018-02-04 03:50:51,470 INFO L226 Difference]: Without dead ends: 291 [2018-02-04 03:50:51,470 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:50:51,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-02-04 03:50:51,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-02-04 03:50:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-02-04 03:50:51,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 306 transitions. [2018-02-04 03:50:51,472 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 306 transitions. Word has length 117 [2018-02-04 03:50:51,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:51,472 INFO L432 AbstractCegarLoop]: Abstraction has 291 states and 306 transitions. [2018-02-04 03:50:51,472 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:50:51,472 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 306 transitions. [2018-02-04 03:50:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-02-04 03:50:51,472 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:51,472 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:51,473 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:51,473 INFO L82 PathProgramCache]: Analyzing trace with hash 656696965, now seen corresponding path program 2 times [2018-02-04 03:50:51,473 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:51,479 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:51,572 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:51,597 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:50:51,597 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:51,597 INFO L182 omatonBuilderFactory]: Interpolants [37568#(or (not (= 0 main_~head~0.base)) (not (= main_~head~0.offset 0))), 37560#true, 37561#false, 37562#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 37563#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem17.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 37564#(or (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 37565#(or (not (= (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 37566#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 37567#(or (not (= 0 |main_#t~mem31.base|)) (not (= |main_#t~mem31.offset| 0)))] [2018-02-04 03:50:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:51,597 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:50:51,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:50:51,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:50:51,597 INFO L87 Difference]: Start difference. First operand 291 states and 306 transitions. Second operand 9 states. [2018-02-04 03:50:51,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:51,759 INFO L93 Difference]: Finished difference Result 291 states and 304 transitions. [2018-02-04 03:50:51,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:50:51,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2018-02-04 03:50:51,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:51,760 INFO L225 Difference]: With dead ends: 291 [2018-02-04 03:50:51,760 INFO L226 Difference]: Without dead ends: 291 [2018-02-04 03:50:51,760 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:50:51,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-02-04 03:50:51,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-02-04 03:50:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-02-04 03:50:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 304 transitions. [2018-02-04 03:50:51,762 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 304 transitions. Word has length 118 [2018-02-04 03:50:51,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:51,762 INFO L432 AbstractCegarLoop]: Abstraction has 291 states and 304 transitions. [2018-02-04 03:50:51,762 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:50:51,762 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 304 transitions. [2018-02-04 03:50:51,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-02-04 03:50:51,762 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:51,762 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:51,762 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:51,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1117180456, now seen corresponding path program 1 times [2018-02-04 03:50:51,763 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:51,772 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:52,385 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:52,385 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:52,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:50:52,385 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:52,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:52,386 INFO L182 omatonBuilderFactory]: Interpolants [38163#true, 38164#false, 38165#(= |main_#t~malloc0.offset| 0), 38166#(= main_~head~0.offset 0), 38167#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 38168#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 38169#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 38170#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0)), 38171#(and (= |main_#t~mem6.offset| 0) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 38172#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 38173#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 38174#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 38175#(or (= main_~status~0 0) (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0))), 38176#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 38177#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 38178#(or (= main_~status~0 0) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0))), 38179#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0)), 38180#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|))), 38181#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 38182#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset |main_#t~mem6.offset|)), 38183#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base))) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base))), 38184#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 38185#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 38186#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem15.base|))), 38187#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 38188#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) 0)))), 38189#(or (not (= |main_#t~mem31.offset| 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0))), 38190#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0)) (not (= main_~head~0.offset 0))), 38191#(or (not (= main_~item~0.offset 0)) (and (= main_~head~0.offset main_~item~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0)))), 38192#(or (= 0 |main_#t~mem31.offset|) (not (= main_~item~0.offset 0))), 38193#(or (= 0 main_~head~0.offset) (not (= main_~item~0.offset 0))), 38194#(= main_~item~0.offset 0)] [2018-02-04 03:50:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:52,386 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:50:52,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:50:52,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=882, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:50:52,386 INFO L87 Difference]: Start difference. First operand 291 states and 304 transitions. Second operand 32 states. [2018-02-04 03:50:54,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:54,398 INFO L93 Difference]: Finished difference Result 296 states and 306 transitions. [2018-02-04 03:50:54,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:50:54,398 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 119 [2018-02-04 03:50:54,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:54,399 INFO L225 Difference]: With dead ends: 296 [2018-02-04 03:50:54,399 INFO L226 Difference]: Without dead ends: 296 [2018-02-04 03:50:54,399 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=931, Invalid=3899, Unknown=0, NotChecked=0, Total=4830 [2018-02-04 03:50:54,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-02-04 03:50:54,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 293. [2018-02-04 03:50:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-02-04 03:50:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 306 transitions. [2018-02-04 03:50:54,401 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 306 transitions. Word has length 119 [2018-02-04 03:50:54,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:54,401 INFO L432 AbstractCegarLoop]: Abstraction has 293 states and 306 transitions. [2018-02-04 03:50:54,401 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:50:54,401 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 306 transitions. [2018-02-04 03:50:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-02-04 03:50:54,401 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:54,402 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:54,402 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:54,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1232774330, now seen corresponding path program 1 times [2018-02-04 03:50:54,402 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:54,411 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:54,460 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:54,461 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:54,461 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 03:50:54,461 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:54,461 INFO L182 omatonBuilderFactory]: Interpolants [38864#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38865#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))), 38866#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))), 38867#(= 1 (select |#valid| |main_#t~mem30.base|)), 38868#(= 1 (select |#valid| main_~item~0.base)), 38860#true, 38861#false, 38862#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38863#(= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:50:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:50:54,461 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:50:54,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:50:54,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:50:54,462 INFO L87 Difference]: Start difference. First operand 293 states and 306 transitions. Second operand 9 states. [2018-02-04 03:50:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:54,628 INFO L93 Difference]: Finished difference Result 320 states and 338 transitions. [2018-02-04 03:50:54,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:50:54,628 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 119 [2018-02-04 03:50:54,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:54,628 INFO L225 Difference]: With dead ends: 320 [2018-02-04 03:50:54,628 INFO L226 Difference]: Without dead ends: 320 [2018-02-04 03:50:54,629 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:50:54,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-02-04 03:50:54,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 309. [2018-02-04 03:50:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-02-04 03:50:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 328 transitions. [2018-02-04 03:50:54,631 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 328 transitions. Word has length 119 [2018-02-04 03:50:54,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:54,631 INFO L432 AbstractCegarLoop]: Abstraction has 309 states and 328 transitions. [2018-02-04 03:50:54,631 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:50:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 328 transitions. [2018-02-04 03:50:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-02-04 03:50:54,631 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:54,631 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:54,631 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:54,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1232774331, now seen corresponding path program 1 times [2018-02-04 03:50:54,632 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:54,642 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:55,728 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:55,728 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:50:55,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:55,728 INFO L182 omatonBuilderFactory]: Interpolants [39514#true, 39515#false, 39516#(= 0 (select |#valid| 0)), 39517#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 39518#(and (= 0 (select |#valid| 0)) (= main_~head~0.offset 0)), 39519#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 39520#(and (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 39521#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 39522#(and (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 39523#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 39524#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 39525#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 39526#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0))), 39527#(or (= main_~status~0 0) (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 39528#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 39529#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem6.base|)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 39530#(or (= main_~status~0 0) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select |#valid| 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0))), 39531#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (= 0 (select |#valid| 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0))), 39532#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 1 (select |#valid| 0))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0)), 39533#(and (not (= 1 (select |#valid| 0))) (= 8 (select |#length| main_~item~0.base)) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 39534#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 1 (select |#valid| 0))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 39535#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 1 (select |#valid| 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset |main_#t~mem6.offset|)), 39536#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base))) (and (not (= 1 (select |#valid| 0))) (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base))), 39537#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (not (= 1 (select |#valid| 0))) (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base))), 39538#(or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 39539#(or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 1 (select |#valid| |main_#t~mem16.base|))))), 39540#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39541#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 39542#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem19.offset| 0) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39543#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 39544#(and (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| |main_#t~mem22.base|) 8)), 39545#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39546#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)))), 39547#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 39548#(and (<= 0 |main_#t~mem30.offset|) (<= (+ |main_#t~mem30.offset| 8) (select |#length| |main_#t~mem30.base|))), 39549#(and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)))] [2018-02-04 03:50:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:55,729 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:50:55,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:50:55,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1134, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:50:55,729 INFO L87 Difference]: Start difference. First operand 309 states and 328 transitions. Second operand 36 states. [2018-02-04 03:50:58,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:58,030 INFO L93 Difference]: Finished difference Result 322 states and 337 transitions. [2018-02-04 03:50:58,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:50:58,030 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 119 [2018-02-04 03:50:58,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:58,031 INFO L225 Difference]: With dead ends: 322 [2018-02-04 03:50:58,031 INFO L226 Difference]: Without dead ends: 322 [2018-02-04 03:50:58,032 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=779, Invalid=4623, Unknown=0, NotChecked=0, Total=5402 [2018-02-04 03:50:58,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-02-04 03:50:58,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 313. [2018-02-04 03:50:58,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-02-04 03:50:58,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 331 transitions. [2018-02-04 03:50:58,034 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 331 transitions. Word has length 119 [2018-02-04 03:50:58,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:58,034 INFO L432 AbstractCegarLoop]: Abstraction has 313 states and 331 transitions. [2018-02-04 03:50:58,034 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:50:58,035 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 331 transitions. [2018-02-04 03:50:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-02-04 03:50:58,035 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:58,035 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:58,035 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:58,035 INFO L82 PathProgramCache]: Analyzing trace with hash -221016417, now seen corresponding path program 3 times [2018-02-04 03:50:58,036 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:58,051 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:59,687 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:59,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-02-04 03:50:59,687 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:59,688 INFO L182 omatonBuilderFactory]: Interpolants [40261#true, 40262#false, 40263#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 40264#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 40265#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 40266#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 40267#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 40268#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 40269#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 40270#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 40271#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 40272#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 40273#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0)), 40274#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)) (= main_~head~0.offset 0)), 40275#(and (or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|))) (= main_~head~0.offset 0)), 40276#(and (or (= main_~status~0 0) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~item~0.offset 0))) (= main_~head~0.offset 0)), 40277#(and (or (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~item~0.offset 0)) (= main_~status~0 0)) (= main_~head~0.offset 0)), 40278#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 40279#(and (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.offset|)) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base)) (= main_~item~0.offset 0)), 40280#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)), 40281#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |main_#t~mem6.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= main_~head~0.offset |main_#t~mem6.offset|)), 40282#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0) main_~item~0.base) (or (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) (select (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0) main_~item~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) main_~item~0.offset) (select (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0) main_~item~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)))), 40283#(or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) main_~item~0.base) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~item~0.offset))))) (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base))), 40284#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) main_~item~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) main_~item~0.offset)))))), 40285#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))))), 40286#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 |main_#t~mem15.base|))), 40287#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 40288#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0) main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))))), 40289#(or (and (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 40290#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0) main_~head~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0))) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40291#(or (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0) main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 40292#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= 0 main_~item~0.base)))), 40293#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0))) (not (= 0 |main_#t~mem31.base|)) (or (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0) |main_#t~mem31.base|))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0))) (not (= 0 main_~item~0.base))) (not (= |main_#t~mem31.offset| 0))), 40294#(or (and (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (not (= 0 main_~item~0.base))) (not (= main_~head~0.offset 0))), 40295#(or (not (= main_~head~0.offset 0)) (and (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 40296#(or (not (= main_~item~0.offset 0)) (and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) 0)) (= main_~head~0.offset main_~item~0.offset)) (and (= main_~head~0.offset main_~item~0.offset) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))) (not (= 0 main_~item~0.base)))), 40297#(or (and (or (and (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (not (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)))) (= 0 |main_#t~mem31.base|)) (not (= 0 main_~item~0.base))) (not (= main_~item~0.offset 0))), 40298#(or (not (= main_~item~0.offset 0)) (and (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.offset)) (= 0 main_~head~0.base)) (not (= 0 main_~item~0.base)))), 40299#(or (not (= 0 main_~head~0.offset)) (= 0 main_~head~0.base) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 40300#(or (and (not (= 0 main_~item~0.base)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.offset 0))), 40301#(or (not (= main_~item~0.offset 0)) (and (= 1 (select (store |#valid| main_~item~0.base 0) |main_#t~mem31.base|)) (not (= 0 main_~item~0.base)))), 40302#(or (not (= main_~item~0.offset 0)) (and (= 1 (select (store |#valid| main_~item~0.base 0) main_~head~0.base)) (not (= 0 main_~item~0.base)))), 40303#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:50:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:59,688 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 03:50:59,689 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 03:50:59,689 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:50:59,689 INFO L87 Difference]: Start difference. First operand 313 states and 331 transitions. Second operand 43 states. [2018-02-04 03:51:01,956 WARN L146 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 88 DAG size of output 67 [2018-02-04 03:51:02,295 WARN L146 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 104 DAG size of output 69 [2018-02-04 03:51:02,482 WARN L146 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 106 DAG size of output 72 [2018-02-04 03:51:02,674 WARN L146 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 122 DAG size of output 76 [2018-02-04 03:51:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:04,288 INFO L93 Difference]: Finished difference Result 323 states and 338 transitions. [2018-02-04 03:51:04,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-02-04 03:51:04,288 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 122 [2018-02-04 03:51:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:04,289 INFO L225 Difference]: With dead ends: 323 [2018-02-04 03:51:04,289 INFO L226 Difference]: Without dead ends: 323 [2018-02-04 03:51:04,290 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1851 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=821, Invalid=7369, Unknown=0, NotChecked=0, Total=8190 [2018-02-04 03:51:04,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-02-04 03:51:04,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 316. [2018-02-04 03:51:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-02-04 03:51:04,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 336 transitions. [2018-02-04 03:51:04,292 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 336 transitions. Word has length 122 [2018-02-04 03:51:04,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:04,292 INFO L432 AbstractCegarLoop]: Abstraction has 316 states and 336 transitions. [2018-02-04 03:51:04,292 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 03:51:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 336 transitions. [2018-02-04 03:51:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-02-04 03:51:04,292 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:04,292 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:04,292 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:04,292 INFO L82 PathProgramCache]: Analyzing trace with hash -221016416, now seen corresponding path program 3 times [2018-02-04 03:51:04,293 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:04,304 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:05,553 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:05,553 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-02-04 03:51:05,553 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:05,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:05,553 INFO L182 omatonBuilderFactory]: Interpolants [41039#true, 41040#false, 41041#(= |main_#t~malloc0.offset| 0), 41042#(= main_~head~0.offset 0), 41043#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 41044#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 41045#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 41046#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 41047#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 41048#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 41049#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 41050#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 41051#(or (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 41052#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 41053#(or (= main_~status~0 0) (and (= |main_#t~mem6.offset| 0) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= main_~head~0.offset 0))), 41054#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 41055#(or (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 41056#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 41057#(and (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0)), 41058#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 41059#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= main_~head~0.offset |main_#t~mem6.offset|)), 41060#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))))), 41061#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 41062#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 41063#(or (and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem15.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 41064#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 41065#(or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 41066#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0)) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41067#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 41068#(or (and (or (= 0 |main_#t~mem20.offset|) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41069#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 41070#(or (and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41071#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41072#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem23.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem23.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41073#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41074#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (and (<= (+ (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|)) 8) (select |#length| (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|)))) (not (= 0 |main_#t~mem31.offset|))), 41075#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.offset 0))), 41076#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~item~0.offset 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41077#(or (not (= main_~item~0.offset 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))) (not (= 0 |main_#t~mem31.offset|))), 41078#(or (not (= 0 main_~head~0.offset)) (not (= main_~item~0.offset 0)) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41079#(or (not (= 0 main_~head~0.offset)) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41080#(or (not (= 0 main_~item~0.offset)) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41081#(or (not (= 0 main_~item~0.offset)) (and (= 0 |main_#t~mem31.offset|) (<= (+ |main_#t~mem31.offset| 8) (select |#length| |main_#t~mem31.base|)))), 41082#(or (not (= 0 main_~item~0.offset)) (and (<= (+ main_~head~0.offset 8) (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))), 41083#(and (<= (+ main_~head~0.offset 8) (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))] [2018-02-04 03:51:05,554 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:05,554 INFO L409 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-02-04 03:51:05,554 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-02-04 03:51:05,554 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1848, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:51:05,554 INFO L87 Difference]: Start difference. First operand 316 states and 336 transitions. Second operand 45 states. [2018-02-04 03:51:08,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:08,783 INFO L93 Difference]: Finished difference Result 323 states and 338 transitions. [2018-02-04 03:51:08,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 03:51:08,784 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 122 [2018-02-04 03:51:08,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:08,784 INFO L225 Difference]: With dead ends: 323 [2018-02-04 03:51:08,784 INFO L226 Difference]: Without dead ends: 323 [2018-02-04 03:51:08,785 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2293 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1018, Invalid=8102, Unknown=0, NotChecked=0, Total=9120 [2018-02-04 03:51:08,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-02-04 03:51:08,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 316. [2018-02-04 03:51:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-02-04 03:51:08,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 335 transitions. [2018-02-04 03:51:08,787 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 335 transitions. Word has length 122 [2018-02-04 03:51:08,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:08,787 INFO L432 AbstractCegarLoop]: Abstraction has 316 states and 335 transitions. [2018-02-04 03:51:08,787 INFO L433 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-02-04 03:51:08,787 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 335 transitions. [2018-02-04 03:51:08,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-02-04 03:51:08,787 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:08,788 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:08,788 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:08,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1738424445, now seen corresponding path program 3 times [2018-02-04 03:51:08,788 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:08,794 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:51:08,909 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:08,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:51:08,909 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:08,909 INFO L182 omatonBuilderFactory]: Interpolants [41825#true, 41826#false, 41827#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41828#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41829#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 41830#(or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 41831#(or (not (= 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|)))) (not (= (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))), 41832#(or (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 41833#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|) 0))), 41834#(or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41835#(or (not (= |main_#t~mem31.base| 0)) (not (= 0 |main_#t~mem31.offset|))), 41836#(or (not (= main_~head~0.base 0)) (not (= 0 main_~head~0.offset)))] [2018-02-04 03:51:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:51:08,909 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:51:08,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:51:08,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:51:08,909 INFO L87 Difference]: Start difference. First operand 316 states and 335 transitions. Second operand 12 states. [2018-02-04 03:51:09,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:09,146 INFO L93 Difference]: Finished difference Result 322 states and 339 transitions. [2018-02-04 03:51:09,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:51:09,146 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 123 [2018-02-04 03:51:09,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:09,147 INFO L225 Difference]: With dead ends: 322 [2018-02-04 03:51:09,147 INFO L226 Difference]: Without dead ends: 322 [2018-02-04 03:51:09,147 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:51:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-02-04 03:51:09,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 320. [2018-02-04 03:51:09,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-02-04 03:51:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 339 transitions. [2018-02-04 03:51:09,149 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 339 transitions. Word has length 123 [2018-02-04 03:51:09,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:09,149 INFO L432 AbstractCegarLoop]: Abstraction has 320 states and 339 transitions. [2018-02-04 03:51:09,149 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:51:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 339 transitions. [2018-02-04 03:51:09,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-02-04 03:51:09,150 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:09,150 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:09,150 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:09,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1943366944, now seen corresponding path program 2 times [2018-02-04 03:51:09,150 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:09,158 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:09,994 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:09,994 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 03:51:09,994 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:09,994 INFO L182 omatonBuilderFactory]: Interpolants [42497#true, 42498#false, 42499#(= |main_#t~malloc0.offset| 0), 42500#(= main_~head~0.offset 0), 42501#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 42502#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 42503#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 42504#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 42505#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 42506#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 42507#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 42508#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 42509#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 42510#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 42511#(and (= |main_#t~mem6.offset| 0) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= main_~head~0.offset 0)), 42512#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 42513#(and (= main_~status~0 (select |#valid| main_~item~0.base)) (or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0))) (= main_~item~0.offset 0)), 42514#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 42515#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (or (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= main_~head~0.base |main_#t~malloc4.base|))) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0)), 42516#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 42517#(and (or (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset |main_#t~mem6.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 42518#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))))), 42519#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 42520#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 42521#(or (and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem15.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 42522#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 42523#(or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 42524#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0)) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 42525#(or (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 42526#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0)) (not (= 0 |main_#t~mem31.offset|))), 42527#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.offset 0))), 42528#(or (not (= main_~item~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 42529#(or (not (= main_~item~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0))), 42530#(or (not (= main_~item~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0))), 42531#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0)), 42532#(and (= main_~head~0.offset main_~item~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0))), 42533#(or (= 0 |main_#t~mem31.offset|) (not (= main_~item~0.offset 0))), 42534#(or (= 0 main_~head~0.offset) (not (= main_~item~0.offset 0))), 42535#(= main_~item~0.offset 0)] [2018-02-04 03:51:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:09,994 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 03:51:09,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 03:51:09,995 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1335, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:51:09,995 INFO L87 Difference]: Start difference. First operand 320 states and 339 transitions. Second operand 39 states. [2018-02-04 03:51:12,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:12,203 INFO L93 Difference]: Finished difference Result 325 states and 341 transitions. [2018-02-04 03:51:12,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 03:51:12,203 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 124 [2018-02-04 03:51:12,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:12,204 INFO L225 Difference]: With dead ends: 325 [2018-02-04 03:51:12,204 INFO L226 Difference]: Without dead ends: 325 [2018-02-04 03:51:12,204 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1823 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=989, Invalid=5817, Unknown=0, NotChecked=0, Total=6806 [2018-02-04 03:51:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-02-04 03:51:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 322. [2018-02-04 03:51:12,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-02-04 03:51:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 341 transitions. [2018-02-04 03:51:12,206 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 341 transitions. Word has length 124 [2018-02-04 03:51:12,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:12,206 INFO L432 AbstractCegarLoop]: Abstraction has 322 states and 341 transitions. [2018-02-04 03:51:12,206 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 03:51:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 341 transitions. [2018-02-04 03:51:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-02-04 03:51:12,207 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:12,207 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:12,207 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:12,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1314892951, now seen corresponding path program 4 times [2018-02-04 03:51:12,208 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:12,216 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:13,421 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:13,421 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-02-04 03:51:13,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:13,422 INFO L182 omatonBuilderFactory]: Interpolants [43271#true, 43272#false, 43273#(= |main_#t~malloc0.offset| 0), 43274#(= main_~head~0.offset 0), 43275#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 43276#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 43277#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 43278#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0)), 43279#(and (= |main_#t~mem6.offset| 0) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 43280#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 43281#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 43282#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 43283#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0)), 43284#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 43285#(and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= main_~head~0.offset 0)), 43286#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 43287#(and (= main_~status~0 (select |#valid| main_~item~0.base)) (or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0))) (= main_~item~0.offset 0)), 43288#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 43289#(and (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0)), 43290#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)), 43291#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |main_#t~mem6.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset |main_#t~mem6.offset|)), 43292#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (= main_~item~0.offset 0))), 43293#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset 0))), 43294#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0))), 43295#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) 0)))), 43296#(or (and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem15.base|)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) 0)))), 43297#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) 0)))), 43298#(or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 43299#(or (and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0)) 0)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 43300#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) 0)))), 43301#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0)) 0))) (not (= |main_#t~mem31.offset| 0))), 43302#(or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~head~0.offset 0))), 43303#(or (not (= main_~item~0.offset 0)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 43304#(or (not (= main_~item~0.offset 0)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) 0)))), 43305#(or (not (= 0 main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.offset 0))), 43306#(or (not (= 0 main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 43307#(or (not (= 0 main_~item~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 43308#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0))) (not (= 0 main_~item~0.offset))), 43309#(or (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43310#(or (not (= 0 main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43311#(or (not (= 0 main_~item~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43312#(or (not (= 0 main_~item~0.offset)) (and (= 0 |main_#t~mem31.offset|) (= 0 |main_#t~mem31.base|))), 43313#(or (not (= 0 main_~item~0.offset)) (and (= 0 main_~head~0.base) (= main_~head~0.offset 0))), 43314#(and (= 0 main_~head~0.base) (= main_~head~0.offset 0))] [2018-02-04 03:51:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:13,422 INFO L409 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-02-04 03:51:13,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-02-04 03:51:13,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1765, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:51:13,423 INFO L87 Difference]: Start difference. First operand 322 states and 341 transitions. Second operand 44 states. [2018-02-04 03:51:15,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:15,843 INFO L93 Difference]: Finished difference Result 327 states and 343 transitions. [2018-02-04 03:51:15,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 03:51:15,843 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 127 [2018-02-04 03:51:15,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:15,844 INFO L225 Difference]: With dead ends: 327 [2018-02-04 03:51:15,844 INFO L226 Difference]: Without dead ends: 327 [2018-02-04 03:51:15,844 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2173 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=663, Invalid=7169, Unknown=0, NotChecked=0, Total=7832 [2018-02-04 03:51:15,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-02-04 03:51:15,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 324. [2018-02-04 03:51:15,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-02-04 03:51:15,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 343 transitions. [2018-02-04 03:51:15,847 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 343 transitions. Word has length 127 [2018-02-04 03:51:15,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:15,848 INFO L432 AbstractCegarLoop]: Abstraction has 324 states and 343 transitions. [2018-02-04 03:51:15,848 INFO L433 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-02-04 03:51:15,848 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 343 transitions. [2018-02-04 03:51:15,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-02-04 03:51:15,848 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:15,848 INFO L351 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:15,848 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:15,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1244275376, now seen corresponding path program 3 times [2018-02-04 03:51:15,849 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:15,867 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:18,199 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:18,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-02-04 03:51:18,199 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:18,200 INFO L182 omatonBuilderFactory]: Interpolants [44096#(and (= |main_#t~mem19.offset| 0) (= (select |#length| |main_#t~mem19.base|) 8)), 44056#true, 44057#false, 44058#(= |main_#t~malloc0.offset| 0), 44059#(= main_~head~0.offset 0), 44060#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 44061#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 44062#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (not (= |main_#t~malloc4.base| 0)) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 44063#(and (= main_~head~0.offset main_~item~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset) 0) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset) 0))), 44064#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 44065#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 44066#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 44067#(and (= main_~status~0 (select |#valid| main_~item~0.base)) (or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)) (= main_~status~0 0))), 44068#(or (= main_~status~0 0) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 44069#(and (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (or (= main_~status~0 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))))), 44070#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)) (= main_~status~0 0)), 44071#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 44072#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0))), 44073#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 44074#(and (= 8 (select |#length| main_~item~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0)), 44075#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 44076#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 44077#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 44078#(or (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|) (= main_~head~0.offset 0)) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0))), 44079#(or (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset 0) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 44080#(or (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset 0) (= main_~head~0.offset |main_#t~mem6.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0))), 44081#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0)) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0))), 44082#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0))), 44083#(or (and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base)) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset |main_#t~malloc4.offset|) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.offset|) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|))), 44084#(or (and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)) (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))), 44085#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= main_~head~0.offset |main_#t~mem6.offset|)) (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|)) (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset |main_#t~mem6.offset|))), 44086#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base))) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)))), 44087#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)))), 44088#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 44089#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 44090#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 |main_#t~mem15.base|) (= |main_#t~mem15.offset| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44091#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44092#(and (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 44093#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem17.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 44094#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44095#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|))))] [2018-02-04 03:51:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:18,200 INFO L409 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-02-04 03:51:18,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-02-04 03:51:18,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1481, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:51:18,201 INFO L87 Difference]: Start difference. First operand 324 states and 343 transitions. Second operand 41 states. [2018-02-04 03:51:19,281 WARN L146 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 135 DAG size of output 72 [2018-02-04 03:51:19,562 WARN L146 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 110 DAG size of output 71 [2018-02-04 03:51:20,373 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 135 DAG size of output 83 [2018-02-04 03:51:20,612 WARN L146 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 90 DAG size of output 57 [2018-02-04 03:51:21,072 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 140 DAG size of output 82 [2018-02-04 03:51:21,902 WARN L146 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 100 DAG size of output 67 [2018-02-04 03:51:22,060 WARN L146 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 92 DAG size of output 59 [2018-02-04 03:51:22,305 WARN L146 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 105 DAG size of output 69 [2018-02-04 03:51:22,494 WARN L146 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 111 DAG size of output 77 [2018-02-04 03:51:22,643 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 90 DAG size of output 57 [2018-02-04 03:51:22,846 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 99 DAG size of output 66 [2018-02-04 03:51:23,017 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 104 DAG size of output 72 [2018-02-04 03:51:23,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:23,933 INFO L93 Difference]: Finished difference Result 441 states and 468 transitions. [2018-02-04 03:51:23,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 03:51:23,933 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 127 [2018-02-04 03:51:23,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:23,934 INFO L225 Difference]: With dead ends: 441 [2018-02-04 03:51:23,934 INFO L226 Difference]: Without dead ends: 441 [2018-02-04 03:51:23,934 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2020 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=1393, Invalid=6979, Unknown=0, NotChecked=0, Total=8372 [2018-02-04 03:51:23,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-02-04 03:51:23,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 365. [2018-02-04 03:51:23,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-02-04 03:51:23,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 385 transitions. [2018-02-04 03:51:23,937 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 385 transitions. Word has length 127 [2018-02-04 03:51:23,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:23,937 INFO L432 AbstractCegarLoop]: Abstraction has 365 states and 385 transitions. [2018-02-04 03:51:23,937 INFO L433 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-02-04 03:51:23,937 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 385 transitions. [2018-02-04 03:51:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-02-04 03:51:23,937 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:23,937 INFO L351 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:23,937 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:23,938 INFO L82 PathProgramCache]: Analyzing trace with hash 2106974597, now seen corresponding path program 4 times [2018-02-04 03:51:23,938 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:23,948 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:26,963 WARN L146 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 107 DAG size of output 41 [2018-02-04 03:51:31,262 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:31,262 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:31,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-02-04 03:51:31,262 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:31,263 INFO L182 omatonBuilderFactory]: Interpolants [45005#true, 45006#false, 45007#(= |#valid| |old(#valid)|), 45008#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 45009#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~head~0.offset 0)), 45010#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~head~0.offset 0)), 45011#(and (= main_~item~0.offset main_~head~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~head~0.base main_~item~0.base) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~head~0.offset 0)), 45012#(and (= main_~item~0.offset main_~head~0.offset) (= main_~head~0.base main_~item~0.base) (= |old(#valid)| (store (store |#valid| |main_#t~malloc4.base| 0) main_~head~0.base 0)) (= |main_#t~malloc4.offset| 0) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 45013#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~head~0.base main_~item~0.base) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset)))), 45014#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 45015#(and (= (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 45016#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 45017#(and (or (= main_~status~0 0) (and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0))) (= main_~status~0 (select |#valid| main_~item~0.base))), 45018#(or (and (= (store (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0) |main_#t~malloc4.base| 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 45019#(and (or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))) (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 45020#(or (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0)) (= main_~status~0 0)), 45021#(or (= main_~status~0 0) (and (= (store (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))))), 45022#(or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0))), 45023#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 45024#(or (and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= (store (store (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) |main_#t~malloc4.base| 0) |old(#valid)|) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)))) (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|))), 45025#(or (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 45026#(or (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset |main_#t~mem6.offset|)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) 0)) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))))), 45027#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0) 0) |old(#valid)|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)))) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base))), 45028#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) 0)) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))))), 45029#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) 0)) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 45030#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) 0)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))) (= 0 |main_#t~mem15.base|))), 45031#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) 0)) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))))), 45032#(or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0) 0) |old(#valid)|)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 45033#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0))) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45034#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0))))), 45035#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= (store (store (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0) 0) |old(#valid)|) (not (= 0 main_~item~0.base))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 45036#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0))) (not (= 0 |main_#t~mem31.base|)) (not (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0))) (not (= main_~item~0.base |main_#t~mem31.base|)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0))) (not (= 0 main_~item~0.base)) (= (store (store (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0) 0) |main_#t~mem31.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0) 0) |old(#valid)|)) (not (= |main_#t~mem31.offset| 0))), 45037#(or (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (= (store (store (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= 0 main_~item~0.base))) (not (= main_~head~0.offset 0))), 45038#(or (and (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base))) (not (= main_~head~0.offset 0))), 45039#(or (not (= main_~item~0.offset 0)) (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (= (store (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) |old(#valid)|) (= main_~head~0.offset main_~item~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~item~0.base)))), 45040#(or (not (= main_~item~0.offset 0)) (and (= |old(#valid)| (store (store (store |#valid| main_~item~0.base 0) |main_#t~mem31.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0) 0)) (not (= main_~item~0.base |main_#t~mem31.base|)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (not (= 0 main_~item~0.base)) (not (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))))), 45041#(or (not (= main_~item~0.offset 0)) (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (or (not (= 0 main_~head~0.offset)) (= (store (store (store |#valid| main_~item~0.base 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~item~0.base)))), 45042#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (or (not (= 0 main_~head~0.offset)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|))), 45043#(and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) 0))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 main_~item~0.offset)) (= (store (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)) (= main_~head~0.offset main_~item~0.offset)), 45044#(and (or (not (= main_~item~0.offset 0)) (= |old(#valid)| (store (store |#valid| main_~item~0.base 0) |main_#t~mem31.base| 0))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= main_~item~0.offset 0)) (not (= main_~item~0.base |main_#t~mem31.base|)))), 45045#(and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= main_~item~0.offset 0)) (= (store (store |#valid| main_~item~0.base 0) main_~head~0.base 0) |old(#valid)|)) (or (not (= main_~item~0.offset 0)) (not (= main_~item~0.base main_~head~0.base)))), 45046#(= (store |#valid| main_~head~0.base 0) |old(#valid)|), 45047#(and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (= (store |#valid| main_~item~0.base 0) |old(#valid)|))] [2018-02-04 03:51:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:31,263 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 03:51:31,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 03:51:31,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:51:31,264 INFO L87 Difference]: Start difference. First operand 365 states and 385 transitions. Second operand 43 states. [2018-02-04 03:51:33,971 WARN L146 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 99 DAG size of output 88 [2018-02-04 03:51:34,222 WARN L146 SmtUtils]: Spent 167ms on a formula simplification. DAG size of input: 126 DAG size of output 115 [2018-02-04 03:51:34,684 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 91 DAG size of output 87 [2018-02-04 03:51:35,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:35,472 INFO L93 Difference]: Finished difference Result 370 states and 386 transitions. [2018-02-04 03:51:35,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 03:51:35,472 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 128 [2018-02-04 03:51:35,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:35,473 INFO L225 Difference]: With dead ends: 370 [2018-02-04 03:51:35,473 INFO L226 Difference]: Without dead ends: 345 [2018-02-04 03:51:35,473 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 9 SyntacticMatches, 24 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1094 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=379, Invalid=5627, Unknown=0, NotChecked=0, Total=6006 [2018-02-04 03:51:35,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-02-04 03:51:35,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 342. [2018-02-04 03:51:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 03:51:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 357 transitions. [2018-02-04 03:51:35,475 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 357 transitions. Word has length 128 [2018-02-04 03:51:35,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:35,476 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 357 transitions. [2018-02-04 03:51:35,476 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 03:51:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 357 transitions. [2018-02-04 03:51:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-02-04 03:51:35,476 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:35,476 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:35,476 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:35,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1546248097, now seen corresponding path program 2 times [2018-02-04 03:51:35,477 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:35,483 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:51:35,562 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:35,562 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:51:35,562 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:35,563 INFO L182 omatonBuilderFactory]: Interpolants [45840#(= 1 (select |#valid| |main_#t~mem30.base|)), 45841#(= 1 (select |#valid| main_~item~0.base)), 45830#true, 45831#false, 45832#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 45833#(and (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45834#(= |main_#t~mem23.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45835#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 45836#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)))), 45837#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))), 45838#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem30.base|) |main_#t~mem30.offset|))), 45839#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))] [2018-02-04 03:51:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:51:35,563 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:51:35,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:51:35,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:51:35,563 INFO L87 Difference]: Start difference. First operand 342 states and 357 transitions. Second operand 12 states. [2018-02-04 03:51:35,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:35,869 INFO L93 Difference]: Finished difference Result 373 states and 390 transitions. [2018-02-04 03:51:35,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:51:35,869 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2018-02-04 03:51:35,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:35,870 INFO L225 Difference]: With dead ends: 373 [2018-02-04 03:51:35,870 INFO L226 Difference]: Without dead ends: 373 [2018-02-04 03:51:35,870 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:51:35,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-02-04 03:51:35,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 362. [2018-02-04 03:51:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-02-04 03:51:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 382 transitions. [2018-02-04 03:51:35,872 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 382 transitions. Word has length 131 [2018-02-04 03:51:35,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:35,873 INFO L432 AbstractCegarLoop]: Abstraction has 362 states and 382 transitions. [2018-02-04 03:51:35,873 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:51:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 382 transitions. [2018-02-04 03:51:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-02-04 03:51:35,873 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:35,873 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:35,873 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:35,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1546248098, now seen corresponding path program 2 times [2018-02-04 03:51:35,874 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:35,880 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:51:36,042 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:36,042 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:51:36,042 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:36,043 INFO L182 omatonBuilderFactory]: Interpolants [46608#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))))), 46609#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem30.base|) |main_#t~mem30.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem30.base|) |main_#t~mem30.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem30.base|) |main_#t~mem30.offset|)))), 46610#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 46611#(and (<= (+ |main_#t~mem30.offset| 8) (select |#length| |main_#t~mem30.base|)) (<= 0 (+ |main_#t~mem30.offset| 4))), 46612#(and (<= 0 (+ main_~item~0.offset 4)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 46601#true, 46602#false, 46603#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 46604#(and (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 46605#(and (= |main_#t~mem23.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem23.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46606#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 4))), 46607#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)) 4)))] [2018-02-04 03:51:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 03:51:36,043 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:51:36,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:51:36,043 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:51:36,043 INFO L87 Difference]: Start difference. First operand 362 states and 382 transitions. Second operand 12 states. [2018-02-04 03:51:36,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:36,393 INFO L93 Difference]: Finished difference Result 372 states and 388 transitions. [2018-02-04 03:51:36,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:51:36,393 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2018-02-04 03:51:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:36,394 INFO L225 Difference]: With dead ends: 372 [2018-02-04 03:51:36,394 INFO L226 Difference]: Without dead ends: 372 [2018-02-04 03:51:36,394 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:51:36,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-02-04 03:51:36,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 362. [2018-02-04 03:51:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-02-04 03:51:36,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 380 transitions. [2018-02-04 03:51:36,396 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 380 transitions. Word has length 131 [2018-02-04 03:51:36,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:36,396 INFO L432 AbstractCegarLoop]: Abstraction has 362 states and 380 transitions. [2018-02-04 03:51:36,396 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:51:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 380 transitions. [2018-02-04 03:51:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-02-04 03:51:36,397 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:36,397 INFO L351 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:36,397 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:36,397 INFO L82 PathProgramCache]: Analyzing trace with hash -69721615, now seen corresponding path program 3 times [2018-02-04 03:51:36,398 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:36,426 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:39,444 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:39,444 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-02-04 03:51:39,444 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:39,445 INFO L182 omatonBuilderFactory]: Interpolants [47371#true, 47372#false, 47373#(= 0 (select |#valid| 0)), 47374#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 47375#(and (= 0 (select |#valid| 0)) (= main_~head~0.offset 0)), 47376#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 47377#(and (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 47378#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (not (= |main_#t~malloc4.base| 0)) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 47379#(and (= main_~head~0.offset main_~item~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset) 0) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~head~0.offset) 0))), 47380#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 47381#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= 0 (select |#valid| 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 47382#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 47383#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0))), 47384#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 47385#(or (and (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)), 47386#(or (= main_~status~0 0) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= |main_#t~mem6.offset| 0) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0))), 47387#(or (= main_~status~0 0) (and (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0))), 47388#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 47389#(and (not (= 1 (select |#valid| 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 47390#(and (not (= 1 (select |#valid| 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) 0) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= main_~item~0.offset 0)), 47391#(and (not (= 1 (select |#valid| 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 47392#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 47393#(and (not (= 1 (select |#valid| 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 47394#(and (or (and (not (= 1 (select |#valid| 0))) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) 0) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0))) (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= main_~head~0.offset 0)), 47395#(and (or (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset 0) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (not (= 1 (select |#valid| 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (or (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset 0) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~head~0.offset 0)), 47396#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~head~0.offset 0) (or (and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset |main_#t~mem6.offset|)))), 47397#(or (and (not (= 1 (select |#valid| 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0))) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0))), 47398#(or (and (not (= 1 (select |#valid| 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) 0) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.offset|) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0))) (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0)))) (and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~item~0.base main_~head~0.base)) (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|))), 47399#(or (and (not (= 1 (select |#valid| 0))) (or (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= main_~item~0.offset main_~head~0.offset) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)) (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))), 47400#(or (and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= main_~head~0.offset |main_#t~mem6.offset|)) (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|)) (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset |main_#t~mem6.offset|))), 47401#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))) (and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)))), 47402#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (or (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (not (= 1 (select |#valid| 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)))), 47403#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (or (and (not (= 1 (select |#valid| 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 47404#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)))), 47405#(or (and (or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 |main_#t~mem15.base|) (= |main_#t~mem15.offset| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 47406#(or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 47407#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (not (= 1 (select |#valid| 0))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 47408#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem17.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (not (= 1 (select |#valid| 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem17.base|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 47409#(or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 47410#(or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 47411#(or (not (= 1 (select |#valid| |main_#t~mem19.base|))) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 47412#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 47413#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|)))), 47414#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|))), 47415#(= (select |#valid| |main_#t~mem23.base|) 1)] [2018-02-04 03:51:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:39,445 INFO L409 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-02-04 03:51:39,445 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-02-04 03:51:39,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1846, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:51:39,445 INFO L87 Difference]: Start difference. First operand 362 states and 380 transitions. Second operand 45 states. [2018-02-04 03:51:41,403 WARN L146 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 132 DAG size of output 73 [2018-02-04 03:51:41,692 WARN L146 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 153 DAG size of output 87 [2018-02-04 03:51:41,948 WARN L146 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 163 DAG size of output 83 [2018-02-04 03:51:42,226 WARN L146 SmtUtils]: Spent 188ms on a formula simplification. DAG size of input: 182 DAG size of output 91 [2018-02-04 03:51:42,540 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 135 DAG size of output 93 [2018-02-04 03:51:42,800 WARN L146 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 166 DAG size of output 94 [2018-02-04 03:51:43,031 WARN L146 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 171 DAG size of output 89 [2018-02-04 03:51:43,257 WARN L146 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 167 DAG size of output 96 [2018-02-04 03:51:43,501 WARN L146 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 178 DAG size of output 102 [2018-02-04 03:51:43,861 WARN L146 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 133 DAG size of output 115 [2018-02-04 03:51:44,250 WARN L146 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 163 DAG size of output 97 [2018-02-04 03:51:44,465 WARN L146 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 169 DAG size of output 103 [2018-02-04 03:51:44,691 WARN L146 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 172 DAG size of output 106 [2018-02-04 03:51:44,903 WARN L146 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 148 DAG size of output 108 [2018-02-04 03:51:45,083 WARN L146 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 138 DAG size of output 97 [2018-02-04 03:51:45,360 WARN L146 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 155 DAG size of output 112 [2018-02-04 03:51:45,569 WARN L146 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 153 DAG size of output 97 [2018-02-04 03:51:45,747 WARN L146 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 135 DAG size of output 95 [2018-02-04 03:51:45,965 WARN L146 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 149 DAG size of output 104 [2018-02-04 03:51:46,193 WARN L146 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 160 DAG size of output 110 [2018-02-04 03:51:46,473 WARN L146 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 145 DAG size of output 105 [2018-02-04 03:51:46,665 WARN L146 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 151 DAG size of output 111 [2018-02-04 03:51:46,872 WARN L146 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 154 DAG size of output 114 [2018-02-04 03:51:47,047 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 97 DAG size of output 82 [2018-02-04 03:51:47,374 WARN L146 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 104 DAG size of output 88 [2018-02-04 03:51:47,542 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 112 DAG size of output 91 [2018-02-04 03:51:47,771 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 101 DAG size of output 82 [2018-02-04 03:51:47,970 WARN L146 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 112 DAG size of output 88 [2018-02-04 03:51:48,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:48,935 INFO L93 Difference]: Finished difference Result 447 states and 475 transitions. [2018-02-04 03:51:48,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-02-04 03:51:48,935 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 134 [2018-02-04 03:51:48,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:48,936 INFO L225 Difference]: With dead ends: 447 [2018-02-04 03:51:48,936 INFO L226 Difference]: Without dead ends: 447 [2018-02-04 03:51:48,936 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2783 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=1610, Invalid=10162, Unknown=0, NotChecked=0, Total=11772 [2018-02-04 03:51:48,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-02-04 03:51:48,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 369. [2018-02-04 03:51:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-02-04 03:51:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 388 transitions. [2018-02-04 03:51:48,939 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 388 transitions. Word has length 134 [2018-02-04 03:51:48,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:48,939 INFO L432 AbstractCegarLoop]: Abstraction has 369 states and 388 transitions. [2018-02-04 03:51:48,939 INFO L433 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-02-04 03:51:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 388 transitions. [2018-02-04 03:51:48,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-02-04 03:51:48,939 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:48,939 INFO L351 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:48,939 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:48,939 INFO L82 PathProgramCache]: Analyzing trace with hash -69721614, now seen corresponding path program 3 times [2018-02-04 03:51:48,940 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:48,963 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:51,943 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:51,943 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-02-04 03:51:51,944 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:51,944 INFO L182 omatonBuilderFactory]: Interpolants [48384#(and (not (= 1 (select |#valid| 0))) (= 8 (select |#length| main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0))) (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (= main_~head~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0)), 48385#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset 0) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= 1 (select |#valid| 0))) (= 8 (select |#length| main_~item~0.base)) (or (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset 0) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 48386#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (or (not (= main_~head~0.base |main_#t~mem6.base|)) (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset |main_#t~mem6.offset|))) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) 0))) (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset |main_#t~mem6.offset|)))), 48387#(or (and (not (= 1 (select |#valid| 0))) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) 0)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0))), 48388#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~item~0.base main_~head~0.base)) (and (not (= 1 (select |#valid| 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.offset|) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))), 48389#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 1 (select |#valid| 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))), 48390#(or (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= main_~head~0.offset |main_#t~mem6.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 1 (select |#valid| 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= main_~head~0.offset |main_#t~mem6.offset|))), 48391#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= 1 (select |#valid| 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))) (and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)))), 48392#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (or (and (not (= 1 (select |#valid| 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~item~0.base main_~head~0.base)))), 48393#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (and (not (= 1 (select |#valid| 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48394#(or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48395#(or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (and (= 0 |main_#t~mem15.base|) (= |main_#t~mem15.offset| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48396#(or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48397#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (not (= 1 (select |#valid| 0))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 48398#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem17.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (not (= 1 (select |#valid| 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem17.base|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= |main_#t~mem17.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= |main_#t~mem17.offset| 0))), 48399#(or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 48400#(or (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48401#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 1 (select |#valid| |main_#t~mem19.base|)))), 48402#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 48403#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))))), 48404#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) |main_#t~mem22.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem22.base|) |main_#t~mem22.offset|)))), 48405#(and (= |main_#t~mem23.offset| 0) (= (select |#length| |main_#t~mem23.base|) 8)), 48360#true, 48361#false, 48362#(= 0 (select |#valid| 0)), 48363#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 48364#(and (= 0 (select |#valid| 0)) (= main_~head~0.offset 0)), 48365#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 48366#(and (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 48367#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= 0 (select |#valid| 0)) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 48368#(and (= main_~head~0.offset main_~item~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset) 0) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 48369#(and (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 48370#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= 0 (select |#valid| 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 48371#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 48372#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0))), 48373#(or (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 48374#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 48375#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= |main_#t~mem6.offset| 0) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0))), 48376#(or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 48377#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select |#valid| 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= main_~item~0.offset 0))), 48378#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 1 (select |#valid| 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 48379#(and (not (= 1 (select |#valid| 0))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)) (= main_~item~0.offset 0)), 48380#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 48381#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= 1 (select |#valid| 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0) |main_#t~mem6.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 48382#(and (not (= 1 (select |#valid| 0))) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 48383#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0) (not (= 1 (select |#valid| 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))] [2018-02-04 03:51:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:51,945 INFO L409 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-02-04 03:51:51,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-02-04 03:51:51,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1900, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:51:51,945 INFO L87 Difference]: Start difference. First operand 369 states and 388 transitions. Second operand 46 states. [2018-02-04 03:51:53,896 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 116 DAG size of output 79 [2018-02-04 03:51:54,219 WARN L146 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 137 DAG size of output 87 [2018-02-04 03:51:54,382 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 127 DAG size of output 93 [2018-02-04 03:51:54,552 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 128 DAG size of output 96 [2018-02-04 03:51:54,753 WARN L146 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 137 DAG size of output 88 [2018-02-04 03:51:54,936 WARN L146 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 147 DAG size of output 87 [2018-02-04 03:51:55,112 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 133 DAG size of output 88 [2018-02-04 03:51:55,306 WARN L146 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 147 DAG size of output 94 [2018-02-04 03:51:55,628 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 124 DAG size of output 101 [2018-02-04 03:51:56,007 WARN L146 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 129 DAG size of output 92 [2018-02-04 03:51:56,187 WARN L146 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 138 DAG size of output 101 [2018-02-04 03:51:56,370 WARN L146 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 143 DAG size of output 106 [2018-02-04 03:51:56,573 WARN L146 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 138 DAG size of output 104 [2018-02-04 03:51:56,763 WARN L146 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 140 DAG size of output 103 [2018-02-04 03:51:57,055 WARN L146 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 157 DAG size of output 108 [2018-02-04 03:51:57,275 WARN L146 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 164 DAG size of output 109 [2018-02-04 03:51:57,456 WARN L146 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 138 DAG size of output 98 [2018-02-04 03:51:57,658 WARN L146 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 155 DAG size of output 107 [2018-02-04 03:51:57,891 WARN L146 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 169 DAG size of output 111 [2018-02-04 03:51:58,174 WARN L146 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 151 DAG size of output 109 [2018-02-04 03:51:58,375 WARN L146 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 160 DAG size of output 118 [2018-02-04 03:51:58,605 WARN L146 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 165 DAG size of output 123 [2018-02-04 03:51:58,764 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 97 DAG size of output 87 [2018-02-04 03:51:58,918 WARN L146 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 99 DAG size of output 86 [2018-02-04 03:51:59,107 WARN L146 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 116 DAG size of output 91 [2018-02-04 03:51:59,328 WARN L146 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 126 DAG size of output 92 [2018-02-04 03:51:59,587 WARN L146 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 116 DAG size of output 95 [2018-02-04 03:51:59,786 WARN L146 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 130 DAG size of output 101 [2018-02-04 03:51:59,971 WARN L146 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 128 DAG size of output 89 [2018-02-04 03:52:00,351 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 110 DAG size of output 87 [2018-02-04 03:52:00,515 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 119 DAG size of output 96 [2018-02-04 03:52:00,689 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 124 DAG size of output 101 [2018-02-04 03:52:00,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:00,897 INFO L93 Difference]: Finished difference Result 446 states and 474 transitions. [2018-02-04 03:52:00,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-02-04 03:52:00,898 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 134 [2018-02-04 03:52:00,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:00,899 INFO L225 Difference]: With dead ends: 446 [2018-02-04 03:52:00,899 INFO L226 Difference]: Without dead ends: 446 [2018-02-04 03:52:00,899 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2770 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1754, Invalid=9802, Unknown=0, NotChecked=0, Total=11556 [2018-02-04 03:52:00,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-02-04 03:52:00,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 340. [2018-02-04 03:52:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-02-04 03:52:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 358 transitions. [2018-02-04 03:52:00,901 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 358 transitions. Word has length 134 [2018-02-04 03:52:00,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:00,901 INFO L432 AbstractCegarLoop]: Abstraction has 340 states and 358 transitions. [2018-02-04 03:52:00,901 INFO L433 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-02-04 03:52:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 358 transitions. [2018-02-04 03:52:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-02-04 03:52:00,902 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:00,902 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 03:52:00,902 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:00,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1872965166, now seen corresponding path program 1 times [2018-02-04 03:52:00,902 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:00,912 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:01,807 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:01,807 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:52:01,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:01,808 INFO L182 omatonBuilderFactory]: Interpolants [49344#(<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|))), 49345#(<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 49346#(<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem30.base|) |main_#t~mem30.offset|)), 49347#(<= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)), 49348#(<= 0 |main_#t~mem30.offset|), 49349#(<= 0 main_~item~0.offset), 49350#(and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 49316#true, 49317#false, 49318#(= (select |#valid| main_~head~0.base) 1), 49319#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base)), 49320#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base)), 49321#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base)), 49322#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 49323#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1)), 49324#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49325#(and (= main_~status~0 (select |#valid| main_~item~0.base)) (or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base))))), 49326#(and (or (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 0)) (or (and (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0))), 49327#(and (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))))), 49328#(or (= main_~status~0 0) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49329#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~status~0 0)), 49330#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base))) (= main_~status~0 0)), 49331#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0))), 49332#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 49333#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 49334#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49335#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))))), 49336#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49337#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49338#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49339#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49340#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 49341#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem22.base|) |main_#t~mem22.offset|)) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49342#(and (= |main_#t~mem23.offset| 0) (= |main_#t~mem23.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49343#(<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:52:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:01,808 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:52:01,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:52:01,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:52:01,809 INFO L87 Difference]: Start difference. First operand 340 states and 358 transitions. Second operand 35 states. [2018-02-04 03:52:03,183 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 86 DAG size of output 75 [2018-02-04 03:52:04,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:04,498 INFO L93 Difference]: Finished difference Result 348 states and 363 transitions. [2018-02-04 03:52:04,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:52:04,498 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 135 [2018-02-04 03:52:04,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:04,499 INFO L225 Difference]: With dead ends: 348 [2018-02-04 03:52:04,499 INFO L226 Difference]: Without dead ends: 348 [2018-02-04 03:52:04,499 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1234 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=652, Invalid=5048, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 03:52:04,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-02-04 03:52:04,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 344. [2018-02-04 03:52:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-02-04 03:52:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 362 transitions. [2018-02-04 03:52:04,501 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 362 transitions. Word has length 135 [2018-02-04 03:52:04,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:04,501 INFO L432 AbstractCegarLoop]: Abstraction has 344 states and 362 transitions. [2018-02-04 03:52:04,501 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:52:04,502 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 362 transitions. [2018-02-04 03:52:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-02-04 03:52:04,502 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:04,502 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:52:04,502 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:04,502 INFO L82 PathProgramCache]: Analyzing trace with hash 338415842, now seen corresponding path program 5 times [2018-02-04 03:52:04,503 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:04,516 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:05,719 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:05,720 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:05,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:52:05,720 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:05,720 INFO L182 omatonBuilderFactory]: Interpolants [50125#true, 50126#false, 50127#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 50128#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 50129#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 50130#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 50131#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 50132#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 50133#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 50134#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 50135#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 50136#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 50137#(or (= main_~status~0 0) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0))), 50138#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 50139#(or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0))), 50140#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)))) (= main_~status~0 0)), 50141#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0)), 50142#(and (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)))), 50143#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 50144#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0)), 50145#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)))), 50146#(and (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)))), 50147#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 50148#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset |main_#t~mem6.offset|)), 50149#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))))), 50150#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))) (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base))), 50151#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base))) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 50152#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (or (= 0 |main_#t~mem15.base|) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 50153#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 50154#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) 0))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) 0))) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 50155#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem19.base|)))), 50156#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 50157#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~item~0.base))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 50158#(or (not (= |main_#t~mem31.offset| 0)) (and (not (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (not (= 0 |main_#t~mem31.base|)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (not (= 0 main_~item~0.base)))), 50159#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 main_~item~0.base)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.offset 0))), 50160#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))) (not (= main_~head~0.offset 0))), 50161#(or (and (not (= 0 main_~item~0.base)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.offset 0))), 50162#(or (not (= main_~item~0.offset 0)) (and (= 1 (select (store |#valid| main_~item~0.base 0) |main_#t~mem31.base|)) (not (= 0 main_~item~0.base)))), 50163#(or (not (= main_~item~0.offset 0)) (and (= 1 (select (store |#valid| main_~item~0.base 0) main_~head~0.base)) (not (= 0 main_~item~0.base)))), 50164#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:52:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:05,720 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:52:05,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:52:05,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1437, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:52:05,721 INFO L87 Difference]: Start difference. First operand 344 states and 362 transitions. Second operand 40 states. [2018-02-04 03:52:08,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:08,544 INFO L93 Difference]: Finished difference Result 344 states and 361 transitions. [2018-02-04 03:52:08,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:52:08,544 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 136 [2018-02-04 03:52:08,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:08,545 INFO L225 Difference]: With dead ends: 344 [2018-02-04 03:52:08,545 INFO L226 Difference]: Without dead ends: 344 [2018-02-04 03:52:08,545 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1154 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=732, Invalid=4670, Unknown=0, NotChecked=0, Total=5402 [2018-02-04 03:52:08,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-02-04 03:52:08,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2018-02-04 03:52:08,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-02-04 03:52:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 361 transitions. [2018-02-04 03:52:08,547 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 361 transitions. Word has length 136 [2018-02-04 03:52:08,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:08,547 INFO L432 AbstractCegarLoop]: Abstraction has 344 states and 361 transitions. [2018-02-04 03:52:08,547 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:52:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 361 transitions. [2018-02-04 03:52:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-02-04 03:52:08,547 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:08,548 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:52:08,548 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:08,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1199878045, now seen corresponding path program 3 times [2018-02-04 03:52:08,548 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:08,557 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:09,460 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:09,460 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:52:09,460 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:09,460 INFO L182 omatonBuilderFactory]: Interpolants [50944#(and (or (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 |main_#t~mem6.offset|)), 50945#(or (and (not (= main_~item~0.base main_~head~0.base)) (or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.offset 0)))) (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base))), 50946#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base main_~head~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~item~0.offset 0))))), 50947#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 50948#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem15.base|))), 50949#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 50950#(or (not (= |main_#t~mem31.offset| 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0))), 50951#(or (not (= main_~head~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 50952#(or (not (= main_~item~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 50953#(or (= 0 |main_#t~mem31.offset|) (not (= main_~item~0.offset 0))), 50954#(or (= 0 main_~head~0.offset) (not (= main_~item~0.offset 0))), 50955#(= main_~item~0.offset 0), 50921#true, 50922#false, 50923#(= |main_#t~malloc0.offset| 0), 50924#(= main_~head~0.offset 0), 50925#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 50926#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 50927#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= |main_#t~malloc4.offset| 0) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 50928#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0)), 50929#(and (= |main_#t~mem6.offset| 0) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 50930#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 50931#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 50932#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 50933#(or (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0)) (= main_~status~0 0)), 50934#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 50935#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 50936#(or (= main_~status~0 0) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0))), 50937#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0)), 50938#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 50939#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 50940#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0)), 50941#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 50942#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (or (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= main_~head~0.base |main_#t~malloc4.base|))) (= 0 |main_#t~malloc4.offset|)), 50943#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))))] [2018-02-04 03:52:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:09,460 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:52:09,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:52:09,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1054, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:52:09,461 INFO L87 Difference]: Start difference. First operand 344 states and 361 transitions. Second operand 35 states. [2018-02-04 03:52:11,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:11,285 INFO L93 Difference]: Finished difference Result 344 states and 360 transitions. [2018-02-04 03:52:11,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:52:11,286 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 138 [2018-02-04 03:52:11,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:11,286 INFO L225 Difference]: With dead ends: 344 [2018-02-04 03:52:11,286 INFO L226 Difference]: Without dead ends: 344 [2018-02-04 03:52:11,287 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=803, Invalid=3357, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:52:11,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-02-04 03:52:11,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2018-02-04 03:52:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-02-04 03:52:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 360 transitions. [2018-02-04 03:52:11,289 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 360 transitions. Word has length 138 [2018-02-04 03:52:11,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:11,289 INFO L432 AbstractCegarLoop]: Abstraction has 344 states and 360 transitions. [2018-02-04 03:52:11,289 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:52:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 360 transitions. [2018-02-04 03:52:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-02-04 03:52:11,289 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:11,289 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:52:11,289 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:11,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1150076742, now seen corresponding path program 3 times [2018-02-04 03:52:11,290 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:11,303 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:12,595 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:12,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:52:12,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:12,596 INFO L182 omatonBuilderFactory]: Interpolants [51712#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 51713#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 51714#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 51715#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 51716#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|)) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))), 51717#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 51718#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 8 (select |#length| |main_#t~mem6.base|))), 51719#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 51720#(or (= main_~status~0 0) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0))), 51721#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0)), 51722#(and (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~item~0.base) 8) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 51723#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#length| main_~item~0.base) 8) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 51724#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0)), 51725#(and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 51726#(and (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 51727#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 51728#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset |main_#t~mem6.offset|)), 51729#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)))), 51730#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 51731#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51732#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= 0 |main_#t~mem15.base|) (= |main_#t~mem15.offset| 0))), 51733#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51734#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51735#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 51736#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| |main_#t~mem19.base|)) (= |main_#t~mem19.offset| 0) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51737#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51738#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 51739#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| |main_#t~mem22.base|)) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51740#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)))), 51741#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 51742#(and (<= 0 |main_#t~mem30.offset|) (<= (+ |main_#t~mem30.offset| 8) (select |#length| |main_#t~mem30.base|))), 51743#(and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 51704#true, 51705#false, 51706#(= |main_#t~malloc0.offset| 0), 51707#(= main_~head~0.offset 0), 51708#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 51709#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 51710#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 51711#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0))] [2018-02-04 03:52:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:12,596 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:52:12,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:52:12,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1387, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:52:12,597 INFO L87 Difference]: Start difference. First operand 344 states and 360 transitions. Second operand 40 states. [2018-02-04 03:52:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:15,529 INFO L93 Difference]: Finished difference Result 433 states and 456 transitions. [2018-02-04 03:52:15,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 03:52:15,529 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 138 [2018-02-04 03:52:15,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:15,530 INFO L225 Difference]: With dead ends: 433 [2018-02-04 03:52:15,530 INFO L226 Difference]: Without dead ends: 433 [2018-02-04 03:52:15,530 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1809 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1045, Invalid=6095, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 03:52:15,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-02-04 03:52:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 400. [2018-02-04 03:52:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-02-04 03:52:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 419 transitions. [2018-02-04 03:52:15,533 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 419 transitions. Word has length 138 [2018-02-04 03:52:15,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:15,533 INFO L432 AbstractCegarLoop]: Abstraction has 400 states and 419 transitions. [2018-02-04 03:52:15,533 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:52:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 419 transitions. [2018-02-04 03:52:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-02-04 03:52:15,533 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:15,534 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:52:15,534 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:15,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1446337588, now seen corresponding path program 6 times [2018-02-04 03:52:15,534 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:15,547 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:17,343 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:17,344 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-02-04 03:52:17,344 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:17,344 INFO L182 omatonBuilderFactory]: Interpolants [52672#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 52673#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (not (= 0 main_~head~0.base)) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 52674#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= 0 main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 52675#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 52676#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 52677#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 52678#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 52679#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0)), 52680#(and (or (= main_~status~0 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 (select |#valid| main_~item~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0))), 52681#(or (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)) (= main_~status~0 0)), 52682#(or (= main_~status~0 0) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0))), 52683#(or (= main_~status~0 0) (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0))), 52684#(and (not (= (select |#valid| main_~head~0.base) 0)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 52685#(and (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 52686#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))), 52687#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |main_#t~mem6.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= main_~head~0.offset 0)), 52688#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 52689#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) main_~item~0.base)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~head~0.base main_~item~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) main_~item~0.base)) (or (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= main_~head~0.base |main_#t~malloc4.base|))) (not (= 0 main_~head~0.base))), 52690#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~head~0.base main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~item~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 1 (select |#valid| main_~item~0.base)) (not (= 0 main_~head~0.base)) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 52691#(and (or (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset |main_#t~mem6.offset|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 52692#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0))))), 52693#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))))), 52694#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))))), 52695#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))) (= 0 |main_#t~mem15.base|))), 52696#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 52697#(or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 52698#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0))) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52699#(or (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52700#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= 0 main_~item~0.base))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52701#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0))) (not (= 0 |main_#t~mem31.base|)) (not (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0))) (not (= 0 main_~item~0.base))) (not (= 0 |main_#t~mem31.offset|))), 52702#(or (and (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (not (= 0 main_~item~0.base))) (not (= main_~head~0.offset 0))), 52703#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.offset 0))), 52704#(or (not (= main_~item~0.offset 0)) (and (= main_~head~0.offset main_~item~0.offset) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~item~0.base)))), 52705#(or (not (= main_~item~0.offset 0)) (and (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (not (= 0 main_~item~0.base)) (not (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))))), 52706#(or (and (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.offset))) (not (= 0 main_~item~0.base))) (not (= main_~item~0.offset 0))), 52707#(or (not (= 0 main_~head~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 52708#(and (or (not (= 0 main_~item~0.offset)) (= 1 (select (store |#valid| main_~item~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))), 52709#(and (or (not (= 0 main_~item~0.offset)) (= 1 (select (store |#valid| main_~item~0.base 0) |main_#t~mem31.base|))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))), 52710#(and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 main_~item~0.offset)) (= 1 (select (store |#valid| main_~item~0.base 0) main_~head~0.base)))), 52711#(= 1 (select |#valid| main_~head~0.base)), 52667#true, 52668#false, 52669#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 52670#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 52671#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0))] [2018-02-04 03:52:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:17,345 INFO L409 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-02-04 03:52:17,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-02-04 03:52:17,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1843, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:52:17,345 INFO L87 Difference]: Start difference. First operand 400 states and 419 transitions. Second operand 45 states. [2018-02-04 03:52:19,488 WARN L146 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 150 DAG size of output 91 [2018-02-04 03:52:20,442 WARN L146 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 171 DAG size of output 87 [2018-02-04 03:52:21,158 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 86 DAG size of output 64 [2018-02-04 03:52:22,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:22,297 INFO L93 Difference]: Finished difference Result 446 states and 466 transitions. [2018-02-04 03:52:22,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-02-04 03:52:22,298 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 141 [2018-02-04 03:52:22,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:22,299 INFO L225 Difference]: With dead ends: 446 [2018-02-04 03:52:22,299 INFO L226 Difference]: Without dead ends: 446 [2018-02-04 03:52:22,299 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2750 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1134, Invalid=9168, Unknown=0, NotChecked=0, Total=10302 [2018-02-04 03:52:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-02-04 03:52:22,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 439. [2018-02-04 03:52:22,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-02-04 03:52:22,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 466 transitions. [2018-02-04 03:52:22,301 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 466 transitions. Word has length 141 [2018-02-04 03:52:22,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:22,301 INFO L432 AbstractCegarLoop]: Abstraction has 439 states and 466 transitions. [2018-02-04 03:52:22,301 INFO L433 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-02-04 03:52:22,302 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 466 transitions. [2018-02-04 03:52:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-02-04 03:52:22,302 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:22,302 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:52:22,302 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:22,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1446337589, now seen corresponding path program 4 times [2018-02-04 03:52:22,303 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:22,319 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:23,949 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:23,949 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-02-04 03:52:23,949 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:23,949 INFO L182 omatonBuilderFactory]: Interpolants [53711#true, 53712#false, 53713#(= |main_#t~malloc0.offset| 0), 53714#(= main_~head~0.offset 0), 53715#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 53716#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 53717#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 53718#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 53719#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 53720#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 53721#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 53722#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 53723#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 53724#(and (or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~status~0 0)) (= main_~status~0 (select |#valid| main_~item~0.base))), 53725#(or (= main_~status~0 0) (and (= |main_#t~mem6.offset| 0) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= main_~head~0.offset 0))), 53726#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 53727#(or (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 53728#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 53729#(and (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0)), 53730#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 53731#(and (or (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset |main_#t~mem6.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= main_~head~0.offset 0)), 53732#(or (and (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (= main_~head~0.offset 0))), 53733#(or (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|)) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) 0))) (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|))), 53734#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base))), 53735#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= main_~head~0.offset |main_#t~mem6.offset|)) (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|)) (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset |main_#t~mem6.offset|))), 53736#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset 0)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))))), 53737#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset 0))), 53738#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 53739#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 53740#(or (and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem15.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 53741#(or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 53742#(or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 53743#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0)) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53744#(or (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53745#(or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53746#(or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53747#(or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem23.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem23.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 53748#(or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 53749#(or (and (<= (+ (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|)) 8) (select |#length| (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|)) 0))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) (not (= 0 |main_#t~mem31.offset|))), 53750#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.offset 0))), 53751#(or (not (= main_~item~0.offset 0)) (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 53752#(or (not (= main_~item~0.offset 0)) (= 0 |main_#t~mem31.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))))), 53753#(or (not (= main_~item~0.offset 0)) (= 0 main_~head~0.base) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0)))), 53754#(or (= 0 main_~head~0.base) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0)))), 53755#(or (not (= main_~item~0.offset 0)) (and (= main_~head~0.offset main_~item~0.offset) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0)))), 53756#(or (not (= main_~item~0.offset 0)) (and (= 0 |main_#t~mem31.offset|) (<= (+ |main_#t~mem31.offset| 8) (select |#length| |main_#t~mem31.base|)))), 53757#(or (not (= main_~item~0.offset 0)) (and (<= (+ main_~head~0.offset 8) (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))), 53758#(and (<= (+ main_~head~0.offset 8) (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))] [2018-02-04 03:52:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:23,950 INFO L409 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-02-04 03:52:23,950 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-02-04 03:52:23,950 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=2100, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:52:23,950 INFO L87 Difference]: Start difference. First operand 439 states and 466 transitions. Second operand 48 states. [2018-02-04 03:52:25,939 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 112 DAG size of output 100 [2018-02-04 03:52:27,226 WARN L146 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 126 DAG size of output 105 [2018-02-04 03:52:27,414 WARN L146 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 131 DAG size of output 109 [2018-02-04 03:52:29,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:29,478 INFO L93 Difference]: Finished difference Result 443 states and 466 transitions. [2018-02-04 03:52:29,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-02-04 03:52:29,478 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 141 [2018-02-04 03:52:29,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:29,479 INFO L225 Difference]: With dead ends: 443 [2018-02-04 03:52:29,479 INFO L226 Difference]: Without dead ends: 443 [2018-02-04 03:52:29,479 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3744 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1480, Invalid=11402, Unknown=0, NotChecked=0, Total=12882 [2018-02-04 03:52:29,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-02-04 03:52:29,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 439. [2018-02-04 03:52:29,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-02-04 03:52:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 465 transitions. [2018-02-04 03:52:29,482 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 465 transitions. Word has length 141 [2018-02-04 03:52:29,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:29,482 INFO L432 AbstractCegarLoop]: Abstraction has 439 states and 465 transitions. [2018-02-04 03:52:29,482 INFO L433 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-02-04 03:52:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 465 transitions. [2018-02-04 03:52:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-02-04 03:52:29,483 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:29,483 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:29,483 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:29,483 INFO L82 PathProgramCache]: Analyzing trace with hash -938674168, now seen corresponding path program 3 times [2018-02-04 03:52:29,483 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:29,496 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:30,990 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:30,991 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:52:30,991 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:30,991 INFO L182 omatonBuilderFactory]: Interpolants [54784#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54785#(or (= main_~status~0 0) (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))), 54786#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 54787#(or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.offset|) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 0)), 54788#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~status~0 0)), 54789#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54790#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54791#(and (or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset |main_#t~malloc4.offset|) (not (= main_~item~0.base |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))), 54792#(and (or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))), 54793#(and (or (= main_~head~0.base |main_#t~mem6.base|) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset |main_#t~mem6.offset|)), 54794#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)))))), 54795#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54796#(and (or (and (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54797#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54798#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 0 |main_#t~mem15.base|)) (= |main_#t~mem15.offset| 0)), 54799#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 54800#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 54801#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54802#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 54803#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|))))), 54804#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))))), 54805#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem30.base|) |main_#t~mem30.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem30.base|) |main_#t~mem30.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem30.base|) |main_#t~mem30.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem30.base|) |main_#t~mem30.offset|)))), 54806#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))), 54807#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem30.base|) |main_#t~mem30.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem30.base|) |main_#t~mem30.offset|))), 54808#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))), 54809#(and (= 0 |main_#t~mem30.offset|) (= 0 |main_#t~mem30.base|)), 54810#(and (= 0 main_~item~0.base) (= main_~item~0.offset 0)), 54811#(not |main_#t~short27|), 54773#true, 54774#false, 54775#(= |main_#t~malloc0.offset| 0), 54776#(= main_~head~0.offset 0), 54777#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 54778#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 54779#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 54780#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~head~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 54781#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 54782#(and (= main_~item~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 54783#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:52:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:30,992 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 03:52:30,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 03:52:30,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1381, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:52:30,992 INFO L87 Difference]: Start difference. First operand 439 states and 465 transitions. Second operand 39 states. [2018-02-04 03:52:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:33,971 INFO L93 Difference]: Finished difference Result 431 states and 453 transitions. [2018-02-04 03:52:33,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:52:33,971 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 143 [2018-02-04 03:52:33,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:33,972 INFO L225 Difference]: With dead ends: 431 [2018-02-04 03:52:33,972 INFO L226 Difference]: Without dead ends: 359 [2018-02-04 03:52:33,972 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1189 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=648, Invalid=5514, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 03:52:33,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-02-04 03:52:33,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-02-04 03:52:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-02-04 03:52:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 381 transitions. [2018-02-04 03:52:33,974 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 381 transitions. Word has length 143 [2018-02-04 03:52:33,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:33,974 INFO L432 AbstractCegarLoop]: Abstraction has 359 states and 381 transitions. [2018-02-04 03:52:33,975 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 03:52:33,975 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 381 transitions. [2018-02-04 03:52:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-02-04 03:52:33,975 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:33,975 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:52:33,975 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:33,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1638969547, now seen corresponding path program 4 times [2018-02-04 03:52:33,976 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:33,991 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:35,321 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:35,321 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-02-04 03:52:35,321 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:35,322 INFO L182 omatonBuilderFactory]: Interpolants [55682#true, 55683#false, 55684#(= |main_#t~malloc0.offset| 0), 55685#(= main_~head~0.offset 0), 55686#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 55687#(and (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 55688#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 55689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)), 55690#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 55691#(and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 55692#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 55693#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base main_~head~0.base)) (= main_~status~0 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 55694#(or (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 55695#(or (= main_~status~0 0) (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset) 0) (= main_~item~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 55696#(or (= main_~status~0 0) (and (= |main_#t~mem6.offset| 0) (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= main_~head~0.offset 0))), 55697#(or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 55698#(or (and (= main_~status~0 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~status~0 1) (= main_~status~0 (select |#valid| main_~item~0.base)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= main_~item~0.offset 0)) (= main_~status~0 0)), 55699#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (= main_~item~0.offset 0)), 55700#(and (not (= main_~item~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= main_~item~0.offset 0)), 55701#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select |#valid| main_~item~0.base) 0)) (= main_~head~0.offset 0) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))))), 55702#(and (or (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset |main_#t~mem6.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= main_~head~0.offset 0)), 55703#(or (and (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= main_~head~0.offset 0)) (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~item~0.base main_~head~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0))) (= main_~head~0.offset 0))), 55704#(or (and (not (= main_~item~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset main_~item~0.offset) (= main_~item~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)) (and (= main_~head~0.offset |main_#t~malloc4.offset|) (or (and (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc4.offset|)) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) 0))))) (and (= main_~head~0.offset |main_#t~malloc4.offset|) (= main_~head~0.base |main_#t~malloc4.base|))), 55705#(or (and (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= main_~head~0.offset main_~item~0.offset) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base main_~head~0.base))), 55706#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= main_~head~0.offset |main_#t~mem6.offset|)) (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|)) (and (= main_~head~0.base |main_#t~mem6.base|) (= main_~head~0.offset |main_#t~mem6.offset|))), 55707#(or (and (= main_~item~0.offset main_~head~0.offset) (= main_~item~0.base main_~head~0.base)) (and (or (and (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) 0)))) (and (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (= main_~item~0.offset 0))) (not (= main_~item~0.base main_~head~0.base)))), 55708#(or (and (= main_~item~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.base main_~head~0.base)) (and (not (= main_~item~0.base main_~head~0.base)) (or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)) (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))))), 55709#(or (and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 55710#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 55711#(or (and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem15.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 55712#(or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 55713#(or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 55714#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) 0)) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 55715#(or (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 55716#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) (not (= 0 |main_#t~mem31.offset|))), 55717#(or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.offset 0))), 55718#(or (not (= main_~item~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 55719#(or (not (= main_~item~0.offset 0)) (= 0 |main_#t~mem31.base|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0))), 55720#(or (not (= main_~item~0.offset 0)) (= 0 main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0))), 55721#(or (= 0 main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0))), 55722#(or (not (= main_~item~0.offset 0)) (and (= main_~head~0.offset main_~item~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) 0)))), 55723#(or (= 0 |main_#t~mem31.offset|) (not (= main_~item~0.offset 0))), 55724#(or (= 0 main_~head~0.offset) (not (= main_~item~0.offset 0))), 55725#(= main_~item~0.offset 0)] [2018-02-04 03:52:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:35,322 INFO L409 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-02-04 03:52:35,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-02-04 03:52:35,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1733, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:52:35,323 INFO L87 Difference]: Start difference. First operand 359 states and 381 transitions. Second operand 44 states. Received shutdown request... [2018-02-04 03:52:35,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-04 03:52:35,923 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 03:52:35,928 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 03:52:35,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:52:35 BoogieIcfgContainer [2018-02-04 03:52:35,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:52:35,929 INFO L168 Benchmark]: Toolchain (without parser) took 179519.04 ms. Allocated memory was 402.7 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 359.3 MB in the beginning and 2.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.9 GB. Max. memory is 5.3 GB. [2018-02-04 03:52:35,930 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 402.7 MB. Free memory is still 365.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:52:35,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.79 ms. Allocated memory is still 402.7 MB. Free memory was 359.3 MB in the beginning and 347.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-02-04 03:52:35,930 INFO L168 Benchmark]: Boogie Preprocessor took 30.28 ms. Allocated memory is still 402.7 MB. Free memory was 347.3 MB in the beginning and 344.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 03:52:35,930 INFO L168 Benchmark]: RCFGBuilder took 392.65 ms. Allocated memory is still 402.7 MB. Free memory was 344.7 MB in the beginning and 302.2 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 5.3 GB. [2018-02-04 03:52:35,931 INFO L168 Benchmark]: TraceAbstraction took 178923.19 ms. Allocated memory was 402.7 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 302.2 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. [2018-02-04 03:52:35,932 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 402.7 MB. Free memory is still 365.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 169.79 ms. Allocated memory is still 402.7 MB. Free memory was 359.3 MB in the beginning and 347.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.28 ms. Allocated memory is still 402.7 MB. Free memory was 347.3 MB in the beginning and 344.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 392.65 ms. Allocated memory is still 402.7 MB. Free memory was 344.7 MB in the beginning and 302.2 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 178923.19 ms. Allocated memory was 402.7 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 302.2 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 986). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1043). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 982]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 982). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1043). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1051). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 986). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1051). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (359states) and interpolant automaton (currently 11 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 104. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 162 locations, 55 error locations. TIMEOUT Result, 178.8s OverallTime, 90 OverallIterations, 6 TraceHistogramMax, 122.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8920 SDtfs, 46008 SDslu, 82100 SDs, 0 SdLazy, 76528 SolverSat, 7045 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3792 GetRequests, 253 SyntacticMatches, 124 SemanticMatches, 3414 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51571 ImplicationChecksByTransitivity, 122.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=513occurred in iteration=32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 1048/4687 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 89 MinimizatonAttempts, 2205 StatesRemovedByMinimization, 77 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 53.1s InterpolantComputationTime, 7973 NumberOfCodeBlocks, 7973 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 7883 ConstructedInterpolants, 0 QuantifiedInterpolants, 29589855 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 90 InterpolantComputations, 24 PerfectInterpolantSequences, 1048/4687 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-queue_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-52-35-939.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-queue_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-52-35-939.csv Completed graceful shutdown