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-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:50:22,391 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:50:22,392 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:50:22,403 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:50:22,403 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:50:22,404 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:50:22,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:50:22,406 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:50:22,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:50:22,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:50:22,409 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:50:22,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:50:22,410 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:50:22,411 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:50:22,412 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:50:22,414 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:50:22,416 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:50:22,417 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:50:22,418 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:50:22,419 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:50:22,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 03:50:22,425 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 03:50:22,425 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 03:50:22,426 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 03:50:22,435 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:50:22,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:50:22,436 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:50:22,437 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:50:22,437 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:50:22,437 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:50:22,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:50:22,437 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:50:22,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:50:22,438 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:50:22,438 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:50:22,438 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:50:22,438 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:50:22,438 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:50:22,438 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:50:22,439 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:50:22,439 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:50:22,439 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:50:22,439 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:50:22,439 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:50:22,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:50:22,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:50:22,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:50:22,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:50:22,479 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:50:22,482 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:50:22,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:50:22,484 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:50:22,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:50:22,626 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:50:22,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:50:22,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:50:22,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:50:22,632 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:50:22,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:50:22" (1/1) ... [2018-02-04 03:50:22,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11580fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22, skipping insertion in model container [2018-02-04 03:50:22,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:50:22" (1/1) ... [2018-02-04 03:50:22,648 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:50:22,679 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:50:22,773 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:50:22,786 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:50:22,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22 WrapperNode [2018-02-04 03:50:22,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:50:22,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:50:22,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:50:22,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:50:22,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22" (1/1) ... [2018-02-04 03:50:22,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22" (1/1) ... [2018-02-04 03:50:22,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22" (1/1) ... [2018-02-04 03:50:22,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22" (1/1) ... [2018-02-04 03:50:22,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22" (1/1) ... [2018-02-04 03:50:22,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22" (1/1) ... [2018-02-04 03:50:22,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22" (1/1) ... [2018-02-04 03:50:22,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:50:22,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:50:22,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:50:22,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:50:22,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:50:22,861 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:50:22,861 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:50:22,861 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:50:22,861 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 03:50:22,861 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 03:50:22,861 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 03:50:22,861 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 03:50:22,861 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:50:22,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:50:22,862 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:50:22,862 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 03:50:22,862 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 03:50:22,862 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 03:50:22,862 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 03:50:22,862 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:50:22,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:50:22,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:50:23,155 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:50:23,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:50:23 BoogieIcfgContainer [2018-02-04 03:50:23,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:50:23,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:50:23,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:50:23,157 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:50:23,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:50:22" (1/3) ... [2018-02-04 03:50:23,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1648dde3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:50:23, skipping insertion in model container [2018-02-04 03:50:23,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:50:22" (2/3) ... [2018-02-04 03:50:23,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1648dde3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:50:23, skipping insertion in model container [2018-02-04 03:50:23,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:50:23" (3/3) ... [2018-02-04 03:50:23,159 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:50:23,164 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:50:23,168 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 47 error locations. [2018-02-04 03:50:23,200 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:50:23,200 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:50:23,201 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:50:23,201 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:50:23,201 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:50:23,201 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:50:23,201 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:50:23,201 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:50:23,202 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:50:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-02-04 03:50:23,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:50:23,218 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:23,219 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:23,219 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:23,222 INFO L82 PathProgramCache]: Analyzing trace with hash -2026691577, now seen corresponding path program 1 times [2018-02-04 03:50:23,260 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:23,293 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:23,348 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:23,348 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:50:23,349 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:23,350 INFO L182 omatonBuilderFactory]: Interpolants [120#true, 121#false, 122#(= 1 (select |#valid| |main_#t~malloc0.base|)), 123#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 03:50:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:23,351 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:50:23,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:50:23,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:50:23,366 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 4 states. [2018-02-04 03:50:23,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:23,590 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2018-02-04 03:50:23,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:50:23,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:50:23,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:23,601 INFO L225 Difference]: With dead ends: 130 [2018-02-04 03:50:23,601 INFO L226 Difference]: Without dead ends: 126 [2018-02-04 03:50:23,602 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 03:50:23,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-02-04 03:50:23,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 111. [2018-02-04 03:50:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-02-04 03:50:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 118 transitions. [2018-02-04 03:50:23,636 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 118 transitions. Word has length 8 [2018-02-04 03:50:23,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:23,636 INFO L432 AbstractCegarLoop]: Abstraction has 111 states and 118 transitions. [2018-02-04 03:50:23,636 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:50:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2018-02-04 03:50:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:50:23,636 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:23,637 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:23,637 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:23,637 INFO L82 PathProgramCache]: Analyzing trace with hash -2026691576, now seen corresponding path program 1 times [2018-02-04 03:50:23,638 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:23,647 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:23,683 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:23,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:50:23,683 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:23,683 INFO L182 omatonBuilderFactory]: Interpolants [368#false, 369#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 370#(and (= main_~list~0.offset 0) (= (select |#length| main_~list~0.base) 8)), 367#true] [2018-02-04 03:50:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:23,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:50:23,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:50:23,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:50:23,685 INFO L87 Difference]: Start difference. First operand 111 states and 118 transitions. Second operand 4 states. [2018-02-04 03:50:23,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:23,782 INFO L93 Difference]: Finished difference Result 124 states and 130 transitions. [2018-02-04 03:50:23,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:50:23,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:50:23,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:23,784 INFO L225 Difference]: With dead ends: 124 [2018-02-04 03:50:23,784 INFO L226 Difference]: Without dead ends: 124 [2018-02-04 03:50:23,785 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 03:50:23,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-02-04 03:50:23,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 116. [2018-02-04 03:50:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-02-04 03:50:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2018-02-04 03:50:23,791 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 123 transitions. Word has length 8 [2018-02-04 03:50:23,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:23,792 INFO L432 AbstractCegarLoop]: Abstraction has 116 states and 123 transitions. [2018-02-04 03:50:23,792 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:50:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 123 transitions. [2018-02-04 03:50:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 03:50:23,792 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:23,792 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:23,793 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:23,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1176954998, now seen corresponding path program 1 times [2018-02-04 03:50:23,794 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:23,811 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:23,851 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:23,851 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:50:23,851 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:23,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:23,852 INFO L182 omatonBuilderFactory]: Interpolants [613#true, 614#false, 615#(= (select |#valid| main_~list~0.base) 1), 616#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:50:23,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:23,852 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:50:23,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:50:23,852 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:50:23,852 INFO L87 Difference]: Start difference. First operand 116 states and 123 transitions. Second operand 4 states. [2018-02-04 03:50:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:23,967 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2018-02-04 03:50:23,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:50:23,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-02-04 03:50:23,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:23,968 INFO L225 Difference]: With dead ends: 123 [2018-02-04 03:50:23,968 INFO L226 Difference]: Without dead ends: 123 [2018-02-04 03:50:23,970 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 03:50:23,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-02-04 03:50:23,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 108. [2018-02-04 03:50:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-02-04 03:50:23,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2018-02-04 03:50:23,973 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 15 [2018-02-04 03:50:23,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:23,974 INFO L432 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2018-02-04 03:50:23,974 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:50:23,974 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2018-02-04 03:50:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 03:50:23,974 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:23,974 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:23,974 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:23,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1176954997, now seen corresponding path program 1 times [2018-02-04 03:50:23,975 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:23,983 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,033 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:24,033 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:50:24,033 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,034 INFO L182 omatonBuilderFactory]: Interpolants [850#true, 851#false, 852#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 853#(and (= 0 main_~list~0.offset) (= 8 (select |#length| main_~list~0.base))), 854#(and (= 0 main_~list~0.offset) (= 8 (select |#length| main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1)), 855#(and (= main_~end~0.offset 0) (= (select |#valid| main_~end~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 856#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0))] [2018-02-04 03:50:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,035 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:50:24,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:50:24,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:50:24,035 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand 7 states. [2018-02-04 03:50:24,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:24,220 INFO L93 Difference]: Finished difference Result 139 states and 149 transitions. [2018-02-04 03:50:24,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:50:24,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-02-04 03:50:24,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:24,222 INFO L225 Difference]: With dead ends: 139 [2018-02-04 03:50:24,222 INFO L226 Difference]: Without dead ends: 139 [2018-02-04 03:50:24,222 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:50:24,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-02-04 03:50:24,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 116. [2018-02-04 03:50:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-02-04 03:50:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 126 transitions. [2018-02-04 03:50:24,228 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 126 transitions. Word has length 15 [2018-02-04 03:50:24,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:24,228 INFO L432 AbstractCegarLoop]: Abstraction has 116 states and 126 transitions. [2018-02-04 03:50:24,228 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:50:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2018-02-04 03:50:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:50:24,229 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:24,229 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 03:50:24,229 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:24,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1446653265, now seen corresponding path program 1 times [2018-02-04 03:50:24,230 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:24,243 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,288 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:24,288 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:50:24,288 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:24,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,288 INFO L182 omatonBuilderFactory]: Interpolants [1120#(= 1 (select |#valid| |main_#t~malloc4.base|)), 1121#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 1122#(= 1 (select |#valid| |main_#t~mem6.base|)), 1123#(= 1 (select |#valid| main_~end~0.base)), 1118#true, 1119#false] [2018-02-04 03:50:24,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,288 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:50:24,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:50:24,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:50:24,289 INFO L87 Difference]: Start difference. First operand 116 states and 126 transitions. Second operand 6 states. [2018-02-04 03:50:24,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:24,466 INFO L93 Difference]: Finished difference Result 185 states and 202 transitions. [2018-02-04 03:50:24,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:50:24,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 03:50:24,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:24,468 INFO L225 Difference]: With dead ends: 185 [2018-02-04 03:50:24,468 INFO L226 Difference]: Without dead ends: 185 [2018-02-04 03:50:24,468 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 03:50:24,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-02-04 03:50:24,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 115. [2018-02-04 03:50:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-02-04 03:50:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 125 transitions. [2018-02-04 03:50:24,473 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 125 transitions. Word has length 18 [2018-02-04 03:50:24,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:24,473 INFO L432 AbstractCegarLoop]: Abstraction has 115 states and 125 transitions. [2018-02-04 03:50:24,474 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:50:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2018-02-04 03:50:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:50:24,474 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:24,474 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 03:50:24,474 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:24,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1446653266, now seen corresponding path program 1 times [2018-02-04 03:50:24,476 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:24,499 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,553 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:24,553 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:50:24,553 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:24,553 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 03:50:24,553 INFO L182 omatonBuilderFactory]: Interpolants [1431#true, 1432#false, 1433#(and (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 1434#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 1435#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 1436#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0))] [2018-02-04 03:50:24,553 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 03:50:24,554 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:50:24,554 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:50:24,554 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:50:24,554 INFO L87 Difference]: Start difference. First operand 115 states and 125 transitions. Second operand 6 states. [2018-02-04 03:50:24,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:24,766 INFO L93 Difference]: Finished difference Result 189 states and 207 transitions. [2018-02-04 03:50:24,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:50:24,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 03:50:24,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:24,767 INFO L225 Difference]: With dead ends: 189 [2018-02-04 03:50:24,767 INFO L226 Difference]: Without dead ends: 189 [2018-02-04 03:50:24,767 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 03:50:24,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-02-04 03:50:24,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 110. [2018-02-04 03:50:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-02-04 03:50:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2018-02-04 03:50:24,770 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 18 [2018-02-04 03:50:24,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:24,770 INFO L432 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2018-02-04 03:50:24,770 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:50:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2018-02-04 03:50:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 03:50:24,771 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:24,771 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] [2018-02-04 03:50:24,771 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:24,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1020537408, now seen corresponding path program 1 times [2018-02-04 03:50:24,772 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:24,781 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,824 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:24,824 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:50:24,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,824 INFO L182 omatonBuilderFactory]: Interpolants [1747#true, 1748#false, 1749#(= 1 (select |#valid| |main_#t~malloc11.base|)), 1750#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 1751#(= 1 (select |#valid| |main_#t~mem13.base|)), 1752#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:50:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:24,825 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:50:24,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:50:24,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:50:24,825 INFO L87 Difference]: Start difference. First operand 110 states and 120 transitions. Second operand 6 states. [2018-02-04 03:50:24,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:24,987 INFO L93 Difference]: Finished difference Result 198 states and 218 transitions. [2018-02-04 03:50:24,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:50:24,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-02-04 03:50:24,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:24,989 INFO L225 Difference]: With dead ends: 198 [2018-02-04 03:50:24,989 INFO L226 Difference]: Without dead ends: 198 [2018-02-04 03:50:24,989 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:50:24,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-02-04 03:50:24,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 109. [2018-02-04 03:50:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-02-04 03:50:24,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2018-02-04 03:50:24,992 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 26 [2018-02-04 03:50:24,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:24,992 INFO L432 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2018-02-04 03:50:24,993 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:50:24,993 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-02-04 03:50:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 03:50:24,993 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:24,993 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] [2018-02-04 03:50:24,994 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:24,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1020537407, now seen corresponding path program 1 times [2018-02-04 03:50:24,995 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:25,007 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,058 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:25,058 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:50:25,058 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,059 INFO L182 omatonBuilderFactory]: Interpolants [2067#true, 2068#false, 2069#(and (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| |main_#t~malloc11.base|))), 2070#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 2071#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 2072#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0))] [2018-02-04 03:50:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,059 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:50:25,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:50:25,059 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:50:25,060 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand 6 states. [2018-02-04 03:50:25,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:25,251 INFO L93 Difference]: Finished difference Result 191 states and 210 transitions. [2018-02-04 03:50:25,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:50:25,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-02-04 03:50:25,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:25,252 INFO L225 Difference]: With dead ends: 191 [2018-02-04 03:50:25,252 INFO L226 Difference]: Without dead ends: 191 [2018-02-04 03:50:25,252 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 03:50:25,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-02-04 03:50:25,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 99. [2018-02-04 03:50:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-02-04 03:50:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 108 transitions. [2018-02-04 03:50:25,255 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 108 transitions. Word has length 26 [2018-02-04 03:50:25,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:25,255 INFO L432 AbstractCegarLoop]: Abstraction has 99 states and 108 transitions. [2018-02-04 03:50:25,255 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:50:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2018-02-04 03:50:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-02-04 03:50:25,256 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:25,256 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:25,256 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:25,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1179857763, now seen corresponding path program 1 times [2018-02-04 03:50:25,257 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:25,278 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:25,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,314 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:25,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:50:25,314 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:25,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,315 INFO L182 omatonBuilderFactory]: Interpolants [2370#true, 2371#false, 2372#(not (= 0 |main_#t~malloc0.base|)), 2373#(not (= 0 main_~list~0.base)), 2374#(not (= 0 main_~end~0.base))] [2018-02-04 03:50:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,315 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:50:25,318 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:50:25,319 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:50:25,319 INFO L87 Difference]: Start difference. First operand 99 states and 108 transitions. Second operand 5 states. [2018-02-04 03:50:25,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:25,397 INFO L93 Difference]: Finished difference Result 114 states and 122 transitions. [2018-02-04 03:50:25,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:50:25,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-02-04 03:50:25,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:25,398 INFO L225 Difference]: With dead ends: 114 [2018-02-04 03:50:25,398 INFO L226 Difference]: Without dead ends: 114 [2018-02-04 03:50:25,398 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:50:25,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-02-04 03:50:25,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 99. [2018-02-04 03:50:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-02-04 03:50:25,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 106 transitions. [2018-02-04 03:50:25,399 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 106 transitions. Word has length 27 [2018-02-04 03:50:25,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:25,400 INFO L432 AbstractCegarLoop]: Abstraction has 99 states and 106 transitions. [2018-02-04 03:50:25,400 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:50:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2018-02-04 03:50:25,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 03:50:25,402 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:25,402 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] [2018-02-04 03:50:25,402 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:25,402 INFO L82 PathProgramCache]: Analyzing trace with hash -2127198597, now seen corresponding path program 1 times [2018-02-04 03:50:25,403 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:25,407 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:25,478 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 03:50:25,478 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:25,478 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 03:50:25,479 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,479 INFO L182 omatonBuilderFactory]: Interpolants [2592#true, 2593#false, 2594#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 2595#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 2596#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 2597#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 03:50:25,479 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 03:50:25,479 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:50:25,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:50:25,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:50:25,480 INFO L87 Difference]: Start difference. First operand 99 states and 106 transitions. Second operand 6 states. [2018-02-04 03:50:25,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:25,613 INFO L93 Difference]: Finished difference Result 158 states and 170 transitions. [2018-02-04 03:50:25,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:50:25,614 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-02-04 03:50:25,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:25,614 INFO L225 Difference]: With dead ends: 158 [2018-02-04 03:50:25,614 INFO L226 Difference]: Without dead ends: 158 [2018-02-04 03:50:25,615 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 03:50:25,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-02-04 03:50:25,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 118. [2018-02-04 03:50:25,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-02-04 03:50:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 127 transitions. [2018-02-04 03:50:25,616 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 127 transitions. Word has length 30 [2018-02-04 03:50:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:25,617 INFO L432 AbstractCegarLoop]: Abstraction has 118 states and 127 transitions. [2018-02-04 03:50:25,617 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:50:25,617 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 127 transitions. [2018-02-04 03:50:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-02-04 03:50:25,617 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:25,617 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:25,617 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:25,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1759872929, now seen corresponding path program 1 times [2018-02-04 03:50:25,618 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:25,625 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,693 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:50:25,693 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:50:25,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,693 INFO L182 omatonBuilderFactory]: Interpolants [2880#true, 2881#false, 2882#(= |main_#t~mem16| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4))), 2883#(= ~unnamed0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4))), 2884#(= ~unnamed0~BLACK |main_#t~mem17|)] [2018-02-04 03:50:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,694 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:50:25,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:50:25,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:50:25,694 INFO L87 Difference]: Start difference. First operand 118 states and 127 transitions. Second operand 5 states. [2018-02-04 03:50:25,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:25,773 INFO L93 Difference]: Finished difference Result 122 states and 129 transitions. [2018-02-04 03:50:25,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:50:25,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-02-04 03:50:25,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:25,774 INFO L225 Difference]: With dead ends: 122 [2018-02-04 03:50:25,774 INFO L226 Difference]: Without dead ends: 122 [2018-02-04 03:50:25,774 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:50:25,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-02-04 03:50:25,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 117. [2018-02-04 03:50:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-02-04 03:50:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 124 transitions. [2018-02-04 03:50:25,777 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 124 transitions. Word has length 32 [2018-02-04 03:50:25,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:25,777 INFO L432 AbstractCegarLoop]: Abstraction has 117 states and 124 transitions. [2018-02-04 03:50:25,777 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:50:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 124 transitions. [2018-02-04 03:50:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 03:50:25,778 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:25,778 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:25,778 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:25,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1741137725, now seen corresponding path program 1 times [2018-02-04 03:50:25,780 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:25,787 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:25,824 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 03:50:25,824 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:25,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 03:50:25,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:25,825 INFO L182 omatonBuilderFactory]: Interpolants [3126#true, 3127#false, 3128#(= ~unnamed0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))), 3129#(and (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) |main_#t~mem16|) (= ~unnamed0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4)))), 3130#(= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))), 3131#(= |main_#t~mem17| (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))), 3132#(not (= ~unnamed0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4)))), 3133#(not (= ~unnamed0~RED |main_#t~mem21|))] [2018-02-04 03:50:25,825 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 03:50:25,825 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:50:25,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:50:25,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:50:25,826 INFO L87 Difference]: Start difference. First operand 117 states and 124 transitions. Second operand 8 states. [2018-02-04 03:50:26,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:26,007 INFO L93 Difference]: Finished difference Result 141 states and 148 transitions. [2018-02-04 03:50:26,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:50:26,008 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-02-04 03:50:26,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:26,008 INFO L225 Difference]: With dead ends: 141 [2018-02-04 03:50:26,008 INFO L226 Difference]: Without dead ends: 141 [2018-02-04 03:50:26,008 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:50:26,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-02-04 03:50:26,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 114. [2018-02-04 03:50:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-02-04 03:50:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 120 transitions. [2018-02-04 03:50:26,010 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 120 transitions. Word has length 37 [2018-02-04 03:50:26,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:26,011 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 120 transitions. [2018-02-04 03:50:26,011 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:50:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2018-02-04 03:50:26,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-04 03:50:26,011 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:26,011 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] [2018-02-04 03:50:26,011 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:26,012 INFO L82 PathProgramCache]: Analyzing trace with hash -305122759, now seen corresponding path program 1 times [2018-02-04 03:50:26,012 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:26,017 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:26,077 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:26,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-02-04 03:50:26,077 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:26,077 INFO L182 omatonBuilderFactory]: Interpolants [3408#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset)), 3409#(and (= main_~list~0.offset 0) (= 0 main_~list~0.base)), 3403#true, 3404#false, 3405#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 3406#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3407#(and (= 0 |main_#t~mem24.base|) (= 0 |main_#t~mem24.offset|))] [2018-02-04 03:50:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:26,077 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:50:26,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:50:26,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:50:26,078 INFO L87 Difference]: Start difference. First operand 114 states and 120 transitions. Second operand 7 states. [2018-02-04 03:50:26,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:26,177 INFO L93 Difference]: Finished difference Result 129 states and 134 transitions. [2018-02-04 03:50:26,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:50:26,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2018-02-04 03:50:26,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:26,178 INFO L225 Difference]: With dead ends: 129 [2018-02-04 03:50:26,178 INFO L226 Difference]: Without dead ends: 129 [2018-02-04 03:50:26,178 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:50:26,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-02-04 03:50:26,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 124. [2018-02-04 03:50:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-02-04 03:50:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 130 transitions. [2018-02-04 03:50:26,181 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 130 transitions. Word has length 40 [2018-02-04 03:50:26,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:26,181 INFO L432 AbstractCegarLoop]: Abstraction has 124 states and 130 transitions. [2018-02-04 03:50:26,181 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:50:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 130 transitions. [2018-02-04 03:50:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 03:50:26,182 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:26,183 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] [2018-02-04 03:50:26,183 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:26,183 INFO L82 PathProgramCache]: Analyzing trace with hash -868871624, now seen corresponding path program 1 times [2018-02-04 03:50:26,184 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:26,193 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:50:26,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:26,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-02-04 03:50:26,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:26,256 INFO L182 omatonBuilderFactory]: Interpolants [3669#true, 3670#false, 3671#(= |#valid| |old(#valid)|), 3672#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 3673#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|))] [2018-02-04 03:50:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:50:26,256 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:50:26,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:50:26,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:50:26,257 INFO L87 Difference]: Start difference. First operand 124 states and 130 transitions. Second operand 5 states. [2018-02-04 03:50:26,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:26,348 INFO L93 Difference]: Finished difference Result 127 states and 132 transitions. [2018-02-04 03:50:26,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:50:26,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2018-02-04 03:50:26,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:26,349 INFO L225 Difference]: With dead ends: 127 [2018-02-04 03:50:26,349 INFO L226 Difference]: Without dead ends: 99 [2018-02-04 03:50:26,349 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:50:26,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-02-04 03:50:26,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2018-02-04 03:50:26,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-02-04 03:50:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 103 transitions. [2018-02-04 03:50:26,351 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 103 transitions. Word has length 41 [2018-02-04 03:50:26,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:26,351 INFO L432 AbstractCegarLoop]: Abstraction has 98 states and 103 transitions. [2018-02-04 03:50:26,351 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:50:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 103 transitions. [2018-02-04 03:50:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 03:50:26,352 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:26,352 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] [2018-02-04 03:50:26,352 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:26,352 INFO L82 PathProgramCache]: Analyzing trace with hash -671794398, now seen corresponding path program 1 times [2018-02-04 03:50:26,353 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:26,365 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:26,466 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 03:50:26,490 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:26,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:50:26,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:26,491 INFO L182 omatonBuilderFactory]: Interpolants [3905#true, 3906#false, 3907#(= (select |#valid| main_~list~0.base) 1), 3908#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 3909#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 3910#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 3911#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|))), 3912#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 3913#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)), 3914#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 3915#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 3916#(= 1 (select |#valid| |main_#t~mem20.base|)), 3917#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:50:26,491 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 03:50:26,491 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:50:26,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:50:26,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:50:26,491 INFO L87 Difference]: Start difference. First operand 98 states and 103 transitions. Second operand 13 states. [2018-02-04 03:50:26,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:26,798 INFO L93 Difference]: Finished difference Result 173 states and 183 transitions. [2018-02-04 03:50:26,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:50:26,798 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 41 [2018-02-04 03:50:26,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:26,798 INFO L225 Difference]: With dead ends: 173 [2018-02-04 03:50:26,799 INFO L226 Difference]: Without dead ends: 173 [2018-02-04 03:50:26,799 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:50:26,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-02-04 03:50:26,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 126. [2018-02-04 03:50:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-02-04 03:50:26,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 135 transitions. [2018-02-04 03:50:26,802 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 135 transitions. Word has length 41 [2018-02-04 03:50:26,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:26,802 INFO L432 AbstractCegarLoop]: Abstraction has 126 states and 135 transitions. [2018-02-04 03:50:26,802 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:50:26,802 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2018-02-04 03:50:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 03:50:26,803 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:26,803 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] [2018-02-04 03:50:26,803 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:26,803 INFO L82 PathProgramCache]: Analyzing trace with hash -671794397, now seen corresponding path program 1 times [2018-02-04 03:50:26,804 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:26,814 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:26,971 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 03:50:26,971 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:26,971 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:50:26,972 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:26,972 INFO L182 omatonBuilderFactory]: Interpolants [4240#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 4241#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 4242#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 4243#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 4244#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 4245#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 4246#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 4247#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 4248#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 4237#true, 4238#false, 4239#(= (select |#valid| main_~list~0.base) 1)] [2018-02-04 03:50:26,972 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 03:50:26,972 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:50:26,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:50:26,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:50:26,973 INFO L87 Difference]: Start difference. First operand 126 states and 135 transitions. Second operand 12 states. [2018-02-04 03:50:27,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:27,370 INFO L93 Difference]: Finished difference Result 178 states and 189 transitions. [2018-02-04 03:50:27,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:50:27,370 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-02-04 03:50:27,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:27,371 INFO L225 Difference]: With dead ends: 178 [2018-02-04 03:50:27,371 INFO L226 Difference]: Without dead ends: 178 [2018-02-04 03:50:27,371 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:50:27,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-02-04 03:50:27,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 128. [2018-02-04 03:50:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-02-04 03:50:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 137 transitions. [2018-02-04 03:50:27,373 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 137 transitions. Word has length 41 [2018-02-04 03:50:27,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:27,373 INFO L432 AbstractCegarLoop]: Abstraction has 128 states and 137 transitions. [2018-02-04 03:50:27,373 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:50:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2018-02-04 03:50:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 03:50:27,374 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:27,374 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:27,374 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:27,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1145218568, now seen corresponding path program 2 times [2018-02-04 03:50:27,375 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:27,383 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:27,570 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:27,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:50:27,570 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:27,571 INFO L182 omatonBuilderFactory]: Interpolants [4576#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 4577#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|))), 4578#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 4579#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 4580#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 4581#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 4582#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 4583#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 4584#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 4585#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 4571#true, 4572#false, 4573#(= (select |#valid| main_~list~0.base) 1), 4574#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 4575#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset))] [2018-02-04 03:50:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:27,571 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:50:27,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:50:27,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:50:27,571 INFO L87 Difference]: Start difference. First operand 128 states and 137 transitions. Second operand 15 states. [2018-02-04 03:50:28,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:28,070 INFO L93 Difference]: Finished difference Result 178 states and 189 transitions. [2018-02-04 03:50:28,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:50:28,071 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2018-02-04 03:50:28,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:28,071 INFO L225 Difference]: With dead ends: 178 [2018-02-04 03:50:28,071 INFO L226 Difference]: Without dead ends: 178 [2018-02-04 03:50:28,072 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:50:28,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-02-04 03:50:28,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 132. [2018-02-04 03:50:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-02-04 03:50:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 141 transitions. [2018-02-04 03:50:28,075 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 141 transitions. Word has length 47 [2018-02-04 03:50:28,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:28,075 INFO L432 AbstractCegarLoop]: Abstraction has 132 states and 141 transitions. [2018-02-04 03:50:28,075 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:50:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-02-04 03:50:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 03:50:28,076 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:28,076 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] [2018-02-04 03:50:28,076 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:28,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1238578519, now seen corresponding path program 1 times [2018-02-04 03:50:28,077 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:28,089 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:28,260 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 03:50:28,260 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:28,260 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:50:28,260 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:28,260 INFO L182 omatonBuilderFactory]: Interpolants [4928#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 4929#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 4930#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 4931#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 4932#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset))), 4933#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 4934#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 4935#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 4936#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 4937#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 4938#(= 1 (select |#valid| |main_#t~mem20.base|)), 4939#(= 1 (select |#valid| main_~end~0.base)), 4924#true, 4925#false, 4926#(= (select |#valid| main_~list~0.base) 1), 4927#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))] [2018-02-04 03:50:28,261 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 03:50:28,261 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:50:28,261 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:50:28,261 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:50:28,261 INFO L87 Difference]: Start difference. First operand 132 states and 141 transitions. Second operand 16 states. [2018-02-04 03:50:28,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:28,825 INFO L93 Difference]: Finished difference Result 204 states and 217 transitions. [2018-02-04 03:50:28,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:50:28,825 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 47 [2018-02-04 03:50:28,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:28,826 INFO L225 Difference]: With dead ends: 204 [2018-02-04 03:50:28,826 INFO L226 Difference]: Without dead ends: 204 [2018-02-04 03:50:28,826 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=783, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:50:28,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-02-04 03:50:28,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 159. [2018-02-04 03:50:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-02-04 03:50:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 171 transitions. [2018-02-04 03:50:28,828 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 171 transitions. Word has length 47 [2018-02-04 03:50:28,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:28,828 INFO L432 AbstractCegarLoop]: Abstraction has 159 states and 171 transitions. [2018-02-04 03:50:28,828 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:50:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 171 transitions. [2018-02-04 03:50:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 03:50:28,829 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:28,829 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] [2018-02-04 03:50:28,829 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:28,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1238578518, now seen corresponding path program 1 times [2018-02-04 03:50:28,830 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:28,850 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:29,082 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 03:50:29,082 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:29,082 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:50:29,082 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:29,083 INFO L182 omatonBuilderFactory]: Interpolants [5344#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| main_~end~0.base))), 5345#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| main_~end~0.base))), 5346#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 5347#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 5348#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 5349#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 5350#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 5351#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 5335#true, 5336#false, 5337#(= (select |#valid| main_~list~0.base) 1), 5338#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 5339#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 5340#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 5341#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|))), 5342#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 5343#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:50:29,083 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 03:50:29,083 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:50:29,083 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:50:29,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:50:29,084 INFO L87 Difference]: Start difference. First operand 159 states and 171 transitions. Second operand 17 states. [2018-02-04 03:50:29,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:29,611 INFO L93 Difference]: Finished difference Result 209 states and 223 transitions. [2018-02-04 03:50:29,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:50:29,611 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 47 [2018-02-04 03:50:29,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:29,612 INFO L225 Difference]: With dead ends: 209 [2018-02-04 03:50:29,612 INFO L226 Difference]: Without dead ends: 209 [2018-02-04 03:50:29,612 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=648, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:50:29,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-02-04 03:50:29,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 160. [2018-02-04 03:50:29,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-02-04 03:50:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 172 transitions. [2018-02-04 03:50:29,615 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 172 transitions. Word has length 47 [2018-02-04 03:50:29,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:29,615 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 172 transitions. [2018-02-04 03:50:29,615 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:50:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 172 transitions. [2018-02-04 03:50:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 03:50:29,615 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:29,615 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:29,615 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:29,616 INFO L82 PathProgramCache]: Analyzing trace with hash -883038036, now seen corresponding path program 1 times [2018-02-04 03:50:29,617 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:29,624 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:29,803 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:29,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:50:29,803 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:29,803 INFO L182 omatonBuilderFactory]: Interpolants [5745#true, 5746#false, 5747#(= (select |#valid| main_~list~0.base) 1), 5748#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 5749#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 5750#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 5751#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|))), 5752#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 5753#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 5754#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 5755#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 5756#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 5757#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 5758#(and (= 0 |main_#t~mem18.base|) (= 0 |main_#t~mem18.offset|)), 5759#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 03:50:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:29,803 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:50:29,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:50:29,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:50:29,804 INFO L87 Difference]: Start difference. First operand 160 states and 172 transitions. Second operand 15 states. [2018-02-04 03:50:30,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:30,259 INFO L93 Difference]: Finished difference Result 184 states and 195 transitions. [2018-02-04 03:50:30,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:50:30,260 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-02-04 03:50:30,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:30,260 INFO L225 Difference]: With dead ends: 184 [2018-02-04 03:50:30,260 INFO L226 Difference]: Without dead ends: 180 [2018-02-04 03:50:30,260 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:50:30,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-02-04 03:50:30,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 160. [2018-02-04 03:50:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-02-04 03:50:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 171 transitions. [2018-02-04 03:50:30,263 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 171 transitions. Word has length 49 [2018-02-04 03:50:30,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:30,264 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 171 transitions. [2018-02-04 03:50:30,264 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:50:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2018-02-04 03:50:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 03:50:30,264 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:30,264 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:30,265 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:30,265 INFO L82 PathProgramCache]: Analyzing trace with hash 279937568, now seen corresponding path program 1 times [2018-02-04 03:50:30,266 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:30,274 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:30,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:50:30,350 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:30,350 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:50:30,350 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:30,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:30,350 INFO L182 omatonBuilderFactory]: Interpolants [6132#true, 6133#false, 6134#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 6135#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.base|)), 6136#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 6137#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 6138#(and (= 0 |main_#t~mem24.base|) (= 0 |main_#t~mem24.offset|)), 6139#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset)), 6140#(and (= main_~list~0.offset 0) (= 0 main_~list~0.base))] [2018-02-04 03:50:30,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:50:30,350 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:50:30,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:50:30,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:50:30,351 INFO L87 Difference]: Start difference. First operand 160 states and 171 transitions. Second operand 9 states. [2018-02-04 03:50:30,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:30,596 INFO L93 Difference]: Finished difference Result 199 states and 213 transitions. [2018-02-04 03:50:30,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:50:30,596 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2018-02-04 03:50:30,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:30,597 INFO L225 Difference]: With dead ends: 199 [2018-02-04 03:50:30,597 INFO L226 Difference]: Without dead ends: 199 [2018-02-04 03:50:30,597 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:50:30,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-02-04 03:50:30,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 174. [2018-02-04 03:50:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-02-04 03:50:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 186 transitions. [2018-02-04 03:50:30,599 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 186 transitions. Word has length 51 [2018-02-04 03:50:30,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:30,599 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 186 transitions. [2018-02-04 03:50:30,599 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:50:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 186 transitions. [2018-02-04 03:50:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:50:30,600 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:30,600 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] [2018-02-04 03:50:30,600 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:30,600 INFO L82 PathProgramCache]: Analyzing trace with hash 88129329, now seen corresponding path program 1 times [2018-02-04 03:50:30,600 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:30,609 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:50:30,722 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:30,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:50:30,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:30,722 INFO L182 omatonBuilderFactory]: Interpolants [6528#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (not (= |main_#t~malloc4.base| 0))), 6529#(and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 6530#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem6.base|))), 6531#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0))), 6532#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 6533#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)), 6534#(not (= |main_#t~mem20.base| 0)), 6535#(not (= main_~end~0.base 0)), 6524#true, 6525#false, 6526#(= (select |#valid| main_~list~0.base) 1), 6527#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))] [2018-02-04 03:50:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:50:30,723 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:50:30,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:50:30,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:50:30,723 INFO L87 Difference]: Start difference. First operand 174 states and 186 transitions. Second operand 12 states. [2018-02-04 03:50:31,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:31,085 INFO L93 Difference]: Finished difference Result 187 states and 198 transitions. [2018-02-04 03:50:31,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:50:31,086 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2018-02-04 03:50:31,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:31,086 INFO L225 Difference]: With dead ends: 187 [2018-02-04 03:50:31,086 INFO L226 Difference]: Without dead ends: 187 [2018-02-04 03:50:31,087 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:50:31,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-02-04 03:50:31,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 174. [2018-02-04 03:50:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-02-04 03:50:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 185 transitions. [2018-02-04 03:50:31,090 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 185 transitions. Word has length 52 [2018-02-04 03:50:31,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:31,090 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 185 transitions. [2018-02-04 03:50:31,090 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:50:31,090 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 185 transitions. [2018-02-04 03:50:31,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:50:31,091 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:31,091 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:31,091 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:31,091 INFO L82 PathProgramCache]: Analyzing trace with hash 285206555, now seen corresponding path program 3 times [2018-02-04 03:50:31,092 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:31,102 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:31,298 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:31,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:50:31,299 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:31,299 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 03:50:31,299 INFO L182 omatonBuilderFactory]: Interpolants [6913#true, 6914#false, 6915#(= (select |#valid| main_~list~0.base) 1), 6916#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 6917#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 6918#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 6919#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 6920#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 6921#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 6922#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)), 6923#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 6924#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 6925#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 6926#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 6927#(= 1 (select |#valid| |main_#t~mem20.base|)), 6928#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:50:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:31,300 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:50:31,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:50:31,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:50:31,300 INFO L87 Difference]: Start difference. First operand 174 states and 185 transitions. Second operand 16 states. [2018-02-04 03:50:31,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:31,941 INFO L93 Difference]: Finished difference Result 249 states and 265 transitions. [2018-02-04 03:50:31,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:50:31,941 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 52 [2018-02-04 03:50:31,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:31,942 INFO L225 Difference]: With dead ends: 249 [2018-02-04 03:50:31,942 INFO L226 Difference]: Without dead ends: 249 [2018-02-04 03:50:31,942 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=208, Invalid=784, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:50:31,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-02-04 03:50:31,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 202. [2018-02-04 03:50:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-02-04 03:50:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 217 transitions. [2018-02-04 03:50:31,944 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 217 transitions. Word has length 52 [2018-02-04 03:50:31,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:31,945 INFO L432 AbstractCegarLoop]: Abstraction has 202 states and 217 transitions. [2018-02-04 03:50:31,945 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:50:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 217 transitions. [2018-02-04 03:50:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:50:31,945 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:31,945 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:31,946 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:31,946 INFO L82 PathProgramCache]: Analyzing trace with hash 285206556, now seen corresponding path program 2 times [2018-02-04 03:50:31,946 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:31,957 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:32,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:32,239 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:32,239 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:50:32,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:32,239 INFO L182 omatonBuilderFactory]: Interpolants [7424#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 7425#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 7426#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 7427#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 7428#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 7412#true, 7413#false, 7414#(= (select |#valid| main_~list~0.base) 1), 7415#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 7416#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 7417#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 7418#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|))), 7419#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 7420#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 7421#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 8 (select |#length| main_~end~0.base))), 7422#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| main_~end~0.base))), 7423#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|)))] [2018-02-04 03:50:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:32,240 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:50:32,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:50:32,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:50:32,240 INFO L87 Difference]: Start difference. First operand 202 states and 217 transitions. Second operand 17 states. [2018-02-04 03:50:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:32,781 INFO L93 Difference]: Finished difference Result 255 states and 272 transitions. [2018-02-04 03:50:32,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:50:32,781 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 52 [2018-02-04 03:50:32,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:32,782 INFO L225 Difference]: With dead ends: 255 [2018-02-04 03:50:32,782 INFO L226 Difference]: Without dead ends: 255 [2018-02-04 03:50:32,782 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=178, Invalid=692, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:50:32,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-02-04 03:50:32,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 182. [2018-02-04 03:50:32,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-04 03:50:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 194 transitions. [2018-02-04 03:50:32,784 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 194 transitions. Word has length 52 [2018-02-04 03:50:32,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:32,784 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 194 transitions. [2018-02-04 03:50:32,784 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:50:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 194 transitions. [2018-02-04 03:50:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:50:32,784 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:32,784 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:32,784 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:32,785 INFO L82 PathProgramCache]: Analyzing trace with hash -574868401, now seen corresponding path program 2 times [2018-02-04 03:50:32,785 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:32,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:32,977 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:32,977 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:50:32,978 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:32,978 INFO L182 omatonBuilderFactory]: Interpolants [7904#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 7905#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 7906#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 7907#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 7908#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 7909#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 7910#(= 1 (select |#valid| |main_#t~mem20.base|)), 7911#(= 1 (select |#valid| main_~end~0.base)), 7892#true, 7893#false, 7894#(= (select |#valid| main_~list~0.base) 1), 7895#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 7896#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 7897#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 7898#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 7899#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 7900#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 7901#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))), 7902#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 7903#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|)))] [2018-02-04 03:50:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:32,978 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:50:32,978 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:50:32,978 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:50:32,978 INFO L87 Difference]: Start difference. First operand 182 states and 194 transitions. Second operand 20 states. [2018-02-04 03:50:33,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:33,627 INFO L93 Difference]: Finished difference Result 257 states and 275 transitions. [2018-02-04 03:50:33,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:50:33,627 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 03:50:33,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:33,628 INFO L225 Difference]: With dead ends: 257 [2018-02-04 03:50:33,628 INFO L226 Difference]: Without dead ends: 257 [2018-02-04 03:50:33,629 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=208, Invalid=1198, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:50:33,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-02-04 03:50:33,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 208. [2018-02-04 03:50:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-02-04 03:50:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 225 transitions. [2018-02-04 03:50:33,630 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 225 transitions. Word has length 53 [2018-02-04 03:50:33,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:33,630 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 225 transitions. [2018-02-04 03:50:33,631 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:50:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 225 transitions. [2018-02-04 03:50:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:50:33,631 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:33,631 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:33,631 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:33,631 INFO L82 PathProgramCache]: Analyzing trace with hash -574868400, now seen corresponding path program 2 times [2018-02-04 03:50:33,632 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:33,641 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:33,928 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:33,928 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:50:33,928 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:33,929 INFO L182 omatonBuilderFactory]: Interpolants [8416#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 8417#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 8418#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 8419#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 8420#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 8421#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 8422#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| |main_#t~malloc11.base|))), 8423#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 8424#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 8425#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 8426#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 8427#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 8428#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 8429#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 8430#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 8431#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 8413#true, 8414#false, 8415#(= (select |#valid| main_~list~0.base) 1)] [2018-02-04 03:50:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:33,929 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:50:33,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:50:33,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:50:33,929 INFO L87 Difference]: Start difference. First operand 208 states and 225 transitions. Second operand 19 states. [2018-02-04 03:50:34,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:34,739 INFO L93 Difference]: Finished difference Result 263 states and 282 transitions. [2018-02-04 03:50:34,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:50:34,739 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 53 [2018-02-04 03:50:34,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:34,740 INFO L225 Difference]: With dead ends: 263 [2018-02-04 03:50:34,740 INFO L226 Difference]: Without dead ends: 263 [2018-02-04 03:50:34,740 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:50:34,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-02-04 03:50:34,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 207. [2018-02-04 03:50:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-02-04 03:50:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 223 transitions. [2018-02-04 03:50:34,742 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 223 transitions. Word has length 53 [2018-02-04 03:50:34,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:34,742 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 223 transitions. [2018-02-04 03:50:34,742 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:50:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 223 transitions. [2018-02-04 03:50:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 03:50:34,743 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:34,743 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:34,743 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:34,743 INFO L82 PathProgramCache]: Analyzing trace with hash -324206285, now seen corresponding path program 1 times [2018-02-04 03:50:34,743 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:34,750 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:35,016 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:35,017 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:50:35,017 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:35,017 INFO L182 omatonBuilderFactory]: Interpolants [8928#true, 8929#false, 8930#(= (select |#valid| main_~list~0.base) 1), 8931#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 8932#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 8933#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 8934#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 8935#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 8936#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 8937#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))), 8938#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 8939#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 8940#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 8941#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 8942#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 8943#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 8944#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 8945#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 8946#(= 1 (select |#valid| |main_#t~mem18.base|)), 8947#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:50:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:35,018 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:50:35,018 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:50:35,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:50:35,018 INFO L87 Difference]: Start difference. First operand 207 states and 223 transitions. Second operand 20 states. [2018-02-04 03:50:35,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:35,838 INFO L93 Difference]: Finished difference Result 259 states and 278 transitions. [2018-02-04 03:50:35,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:50:35,838 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 55 [2018-02-04 03:50:35,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:35,839 INFO L225 Difference]: With dead ends: 259 [2018-02-04 03:50:35,839 INFO L226 Difference]: Without dead ends: 259 [2018-02-04 03:50:35,840 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=1134, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:50:35,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-02-04 03:50:35,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 214. [2018-02-04 03:50:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-02-04 03:50:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 231 transitions. [2018-02-04 03:50:35,846 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 231 transitions. Word has length 55 [2018-02-04 03:50:35,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:35,846 INFO L432 AbstractCegarLoop]: Abstraction has 214 states and 231 transitions. [2018-02-04 03:50:35,846 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:50:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 231 transitions. [2018-02-04 03:50:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 03:50:35,846 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:35,846 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:35,846 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:35,847 INFO L82 PathProgramCache]: Analyzing trace with hash -324206284, now seen corresponding path program 1 times [2018-02-04 03:50:35,847 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:35,857 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:36,190 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:36,190 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:50:36,190 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:36,190 INFO L182 omatonBuilderFactory]: Interpolants [9472#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 9473#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 9455#true, 9456#false, 9457#(= (select |#valid| main_~list~0.base) 1), 9458#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 9459#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 9460#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9461#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 9462#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 9463#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 9464#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| |main_#t~malloc11.base|))), 9465#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 9466#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 9467#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 9468#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 9469#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 9470#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 9471#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))] [2018-02-04 03:50:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:36,190 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:50:36,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:50:36,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:50:36,191 INFO L87 Difference]: Start difference. First operand 214 states and 231 transitions. Second operand 19 states. [2018-02-04 03:50:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:37,039 INFO L93 Difference]: Finished difference Result 264 states and 283 transitions. [2018-02-04 03:50:37,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:50:37,039 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2018-02-04 03:50:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:37,040 INFO L225 Difference]: With dead ends: 264 [2018-02-04 03:50:37,040 INFO L226 Difference]: Without dead ends: 264 [2018-02-04 03:50:37,040 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:50:37,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-02-04 03:50:37,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 216. [2018-02-04 03:50:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-02-04 03:50:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 232 transitions. [2018-02-04 03:50:37,042 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 232 transitions. Word has length 55 [2018-02-04 03:50:37,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:37,042 INFO L432 AbstractCegarLoop]: Abstraction has 216 states and 232 transitions. [2018-02-04 03:50:37,042 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:50:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 232 transitions. [2018-02-04 03:50:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 03:50:37,043 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:37,043 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:37,043 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:37,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1204222586, now seen corresponding path program 2 times [2018-02-04 03:50:37,043 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:37,048 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:37,397 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:37,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:50:37,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:37,398 INFO L182 omatonBuilderFactory]: Interpolants [9984#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 9985#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 9986#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc4.offset| main_~list~0.offset)), 9987#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) main_~list~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9988#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem6.base|))), 9989#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 9990#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 9991#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 9992#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) |main_#t~mem20.offset|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.base|)), 9993#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (= main_~end~0.base main_~list~0.base) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 9994#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (= main_~end~0.base main_~list~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))))), 9995#(and (not (= 0 main_~list~0.base)) (or (not (= 0 |main_#t~mem20.base|)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 9996#(and (not (= 0 main_~list~0.base)) (or (not (= 0 main_~end~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 9997#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 9998#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem24.base|))), 9999#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 10000#(= 1 (select |#valid| main_~end~0.base)), 10001#(= 1 (select |#valid| main_~list~0.base)), 9980#true, 9981#false, 9982#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 9983#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset))] [2018-02-04 03:50:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:37,398 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:50:37,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:50:37,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:50:37,398 INFO L87 Difference]: Start difference. First operand 216 states and 232 transitions. Second operand 22 states. [2018-02-04 03:50:38,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:38,200 INFO L93 Difference]: Finished difference Result 240 states and 257 transitions. [2018-02-04 03:50:38,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:50:38,200 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 57 [2018-02-04 03:50:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:38,201 INFO L225 Difference]: With dead ends: 240 [2018-02-04 03:50:38,201 INFO L226 Difference]: Without dead ends: 240 [2018-02-04 03:50:38,202 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=431, Invalid=1639, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:50:38,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-04 03:50:38,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 227. [2018-02-04 03:50:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-02-04 03:50:38,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 245 transitions. [2018-02-04 03:50:38,204 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 245 transitions. Word has length 57 [2018-02-04 03:50:38,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:38,204 INFO L432 AbstractCegarLoop]: Abstraction has 227 states and 245 transitions. [2018-02-04 03:50:38,204 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:50:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 245 transitions. [2018-02-04 03:50:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 03:50:38,205 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:38,205 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:38,205 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:38,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1204222585, now seen corresponding path program 1 times [2018-02-04 03:50:38,205 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:38,211 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:38,400 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:38,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:50:38,401 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:38,401 INFO L182 omatonBuilderFactory]: Interpolants [10528#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 10529#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (+ main_~end~0.offset 8) (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 10531#(and (<= 8 (select |#length| |main_#t~mem24.base|)) (= 0 |main_#t~mem24.offset|)), 10532#(and (<= 8 (select |#length| main_~end~0.base)) (= 0 main_~end~0.offset)), 10533#(and (= main_~list~0.offset 0) (<= 8 (select |#length| main_~list~0.base))), 10517#true, 10518#false, 10519#(= (select |#valid| main_~list~0.base) 1), 10520#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 10521#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|)), 10522#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 10523#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|))), 10524#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 10525#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 10526#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 10527#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))] [2018-02-04 03:50:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:38,402 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:50:38,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:50:38,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:50:38,402 INFO L87 Difference]: Start difference. First operand 227 states and 245 transitions. Second operand 17 states. [2018-02-04 03:50:38,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:38,857 INFO L93 Difference]: Finished difference Result 243 states and 260 transitions. [2018-02-04 03:50:38,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:50:38,857 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 57 [2018-02-04 03:50:38,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:38,858 INFO L225 Difference]: With dead ends: 243 [2018-02-04 03:50:38,858 INFO L226 Difference]: Without dead ends: 243 [2018-02-04 03:50:38,858 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=954, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:50:38,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-02-04 03:50:38,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 231. [2018-02-04 03:50:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 03:50:38,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 249 transitions. [2018-02-04 03:50:38,861 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 249 transitions. Word has length 57 [2018-02-04 03:50:38,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:38,861 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 249 transitions. [2018-02-04 03:50:38,861 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:50:38,861 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 249 transitions. [2018-02-04 03:50:38,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:50:38,861 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:38,862 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:38,862 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:38,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1323804811, now seen corresponding path program 2 times [2018-02-04 03:50:38,863 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:38,868 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:50:38,932 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:38,933 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:50:38,933 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:38,933 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 03:50:38,933 INFO L182 omatonBuilderFactory]: Interpolants [11042#true, 11043#false, 11044#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base)), 11045#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.base|)), 11046#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 11047#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))), 11048#(or (not (= |main_#t~mem24.base| 0)) (not (= |main_#t~mem24.offset| 0))), 11049#(or (not (= main_~end~0.offset 0)) (not (= main_~end~0.base 0))), 11050#(or (not (= main_~list~0.offset 0)) (not (= main_~list~0.base 0)))] [2018-02-04 03:50:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:50:38,934 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:50:38,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:50:38,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:50:38,934 INFO L87 Difference]: Start difference. First operand 231 states and 249 transitions. Second operand 9 states. [2018-02-04 03:50:39,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:39,147 INFO L93 Difference]: Finished difference Result 266 states and 286 transitions. [2018-02-04 03:50:39,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:50:39,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2018-02-04 03:50:39,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:39,148 INFO L225 Difference]: With dead ends: 266 [2018-02-04 03:50:39,148 INFO L226 Difference]: Without dead ends: 266 [2018-02-04 03:50:39,148 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:50:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-02-04 03:50:39,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 237. [2018-02-04 03:50:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 03:50:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 254 transitions. [2018-02-04 03:50:39,151 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 254 transitions. Word has length 58 [2018-02-04 03:50:39,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:39,151 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 254 transitions. [2018-02-04 03:50:39,151 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:50:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 254 transitions. [2018-02-04 03:50:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:50:39,152 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:39,152 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:50:39,152 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:39,152 INFO L82 PathProgramCache]: Analyzing trace with hash 831255617, now seen corresponding path program 4 times [2018-02-04 03:50:39,153 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:39,163 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:39,431 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:39,431 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:39,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:50:39,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:39,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:39,431 INFO L182 omatonBuilderFactory]: Interpolants [11584#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 11585#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 11586#(= 1 (select |#valid| |main_#t~mem20.base|)), 11587#(= 1 (select |#valid| main_~end~0.base)), 11568#true, 11569#false, 11570#(= (select |#valid| main_~list~0.base) 1), 11571#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 11572#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 11573#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 11574#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 11575#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 11576#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 11577#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 11578#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 11579#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 11580#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 11581#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 11582#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 11583#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))] [2018-02-04 03:50:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:39,432 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:50:39,432 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:50:39,432 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:50:39,432 INFO L87 Difference]: Start difference. First operand 237 states and 254 transitions. Second operand 20 states. [2018-02-04 03:50:40,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:40,161 INFO L93 Difference]: Finished difference Result 299 states and 320 transitions. [2018-02-04 03:50:40,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:50:40,162 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 58 [2018-02-04 03:50:40,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:40,162 INFO L225 Difference]: With dead ends: 299 [2018-02-04 03:50:40,162 INFO L226 Difference]: Without dead ends: 299 [2018-02-04 03:50:40,163 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=208, Invalid=1198, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:50:40,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-02-04 03:50:40,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 244. [2018-02-04 03:50:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-02-04 03:50:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 264 transitions. [2018-02-04 03:50:40,165 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 264 transitions. Word has length 58 [2018-02-04 03:50:40,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:40,165 INFO L432 AbstractCegarLoop]: Abstraction has 244 states and 264 transitions. [2018-02-04 03:50:40,165 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:50:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 264 transitions. [2018-02-04 03:50:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:50:40,166 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:40,166 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:50:40,166 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:40,167 INFO L82 PathProgramCache]: Analyzing trace with hash 831255618, now seen corresponding path program 3 times [2018-02-04 03:50:40,167 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:40,176 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:40,568 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:40,568 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:50:40,568 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:40,569 INFO L182 omatonBuilderFactory]: Interpolants [12167#true, 12168#false, 12169#(= (select |#valid| main_~list~0.base) 1), 12170#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 12171#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 12172#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 12173#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 12174#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 12175#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 12176#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 12177#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 12178#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 12179#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 12180#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 12181#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 12182#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 12183#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 12184#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 12185#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0))] [2018-02-04 03:50:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:40,569 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:50:40,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:50:40,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:50:40,570 INFO L87 Difference]: Start difference. First operand 244 states and 264 transitions. Second operand 19 states. [2018-02-04 03:50:41,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:41,438 INFO L93 Difference]: Finished difference Result 305 states and 327 transitions. [2018-02-04 03:50:41,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:50:41,438 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 58 [2018-02-04 03:50:41,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:41,439 INFO L225 Difference]: With dead ends: 305 [2018-02-04 03:50:41,439 INFO L226 Difference]: Without dead ends: 305 [2018-02-04 03:50:41,439 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:50:41,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-02-04 03:50:41,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 239. [2018-02-04 03:50:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-02-04 03:50:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 257 transitions. [2018-02-04 03:50:41,442 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 257 transitions. Word has length 58 [2018-02-04 03:50:41,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:41,442 INFO L432 AbstractCegarLoop]: Abstraction has 239 states and 257 transitions. [2018-02-04 03:50:41,442 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:50:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 257 transitions. [2018-02-04 03:50:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:50:41,443 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:41,443 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:41,443 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:41,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1552541470, now seen corresponding path program 1 times [2018-02-04 03:50:41,443 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:41,451 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:41,873 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:41,873 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:50:41,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:41,874 INFO L182 omatonBuilderFactory]: Interpolants [12768#(and (= main_~list~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 12769#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 12770#(and (or (= |main_#t~malloc11.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)))) (= main_~list~0.offset |main_#t~malloc11.offset|)), 12771#(and (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 12772#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~list~0.offset |main_#t~mem13.offset|)), 12773#(or (and (not (= main_~end~0.base main_~list~0.base)) (or (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 12774#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 12775#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 12776#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 12777#(or (= 1 (select |#valid| |main_#t~mem20.base|)) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 12778#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 12779#(= 1 (select |#valid| main_~end~0.base)), 12756#true, 12757#false, 12758#(= |main_#t~malloc0.offset| 0), 12759#(= main_~list~0.offset 0), 12760#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 12761#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 12762#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 12763#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 12764#(and (= main_~list~0.offset 0) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 12765#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 12766#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 12767#(and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1))] [2018-02-04 03:50:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:41,875 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:50:41,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:50:41,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:50:41,875 INFO L87 Difference]: Start difference. First operand 239 states and 257 transitions. Second operand 24 states. [2018-02-04 03:50:43,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:43,561 INFO L93 Difference]: Finished difference Result 330 states and 354 transitions. [2018-02-04 03:50:43,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:50:43,561 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 58 [2018-02-04 03:50:43,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:43,562 INFO L225 Difference]: With dead ends: 330 [2018-02-04 03:50:43,562 INFO L226 Difference]: Without dead ends: 330 [2018-02-04 03:50:43,563 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1058 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=912, Invalid=3120, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:50:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-02-04 03:50:43,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 266. [2018-02-04 03:50:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-02-04 03:50:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 287 transitions. [2018-02-04 03:50:43,565 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 287 transitions. Word has length 58 [2018-02-04 03:50:43,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:43,565 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 287 transitions. [2018-02-04 03:50:43,565 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:50:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 287 transitions. [2018-02-04 03:50:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:50:43,565 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:43,565 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:43,565 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:43,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1552541469, now seen corresponding path program 1 times [2018-02-04 03:50:43,566 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:43,575 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:44,079 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:44,079 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:50:44,079 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:44,079 INFO L182 omatonBuilderFactory]: Interpolants [13456#true, 13457#false, 13458#(= |main_#t~malloc0.offset| 0), 13459#(= main_~list~0.offset 0), 13460#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 13461#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 13462#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 13463#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 13464#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 13465#(and (= main_~list~0.offset 0) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 13466#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (= (select |#length| main_~end~0.base) 8) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 13467#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#length| main_~end~0.base) 8) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)), 13468#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 13469#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 13470#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 13471#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset))) (= main_~list~0.offset |main_#t~malloc11.offset|)), 13472#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 13473#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~list~0.offset |main_#t~mem13.offset|)), 13474#(and (or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 13475#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))))), 13476#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 13477#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 13478#(and (= 0 |main_#t~mem20.offset|) (or (= 0 |main_#t~mem20.base|) (<= 8 (select |#length| |main_#t~mem20.base|)))), 13479#(and (= main_~end~0.offset 0) (or (= main_~end~0.base 0) (<= 8 (select |#length| main_~end~0.base)))), 13480#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:50:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:44,079 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:50:44,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:50:44,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:50:44,080 INFO L87 Difference]: Start difference. First operand 266 states and 287 transitions. Second operand 25 states. [2018-02-04 03:50:45,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:45,780 INFO L93 Difference]: Finished difference Result 346 states and 371 transitions. [2018-02-04 03:50:45,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:50:45,780 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 58 [2018-02-04 03:50:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:45,781 INFO L225 Difference]: With dead ends: 346 [2018-02-04 03:50:45,781 INFO L226 Difference]: Without dead ends: 346 [2018-02-04 03:50:45,782 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1248 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=954, Invalid=3602, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 03:50:45,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-02-04 03:50:45,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 265. [2018-02-04 03:50:45,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-02-04 03:50:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 285 transitions. [2018-02-04 03:50:45,784 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 285 transitions. Word has length 58 [2018-02-04 03:50:45,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:45,785 INFO L432 AbstractCegarLoop]: Abstraction has 265 states and 285 transitions. [2018-02-04 03:50:45,785 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:50:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 285 transitions. [2018-02-04 03:50:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:50:45,785 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:45,785 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:45,786 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:45,786 INFO L82 PathProgramCache]: Analyzing trace with hash 951584074, now seen corresponding path program 1 times [2018-02-04 03:50:45,786 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:45,795 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:45,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:50:45,963 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:45,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:50:45,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:45,964 INFO L182 omatonBuilderFactory]: Interpolants [14178#true, 14179#false, 14180#(= (select |#valid| main_~list~0.base) 1), 14181#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1)), 14182#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= |main_#t~malloc4.base| 0))), 14183#(and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 14184#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 14185#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0))), 14186#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) 0))), 14187#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 14188#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem13.base|))), 14189#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0))), 14190#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 14191#(not (= |main_#t~mem24.base| 0)), 14192#(not (= main_~end~0.base 0)), 14193#(not (= main_~list~0.base 0))] [2018-02-04 03:50:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:50:45,965 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:50:45,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:50:45,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:50:45,965 INFO L87 Difference]: Start difference. First operand 265 states and 285 transitions. Second operand 16 states. [2018-02-04 03:50:46,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:46,542 INFO L93 Difference]: Finished difference Result 338 states and 362 transitions. [2018-02-04 03:50:46,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:50:46,542 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 58 [2018-02-04 03:50:46,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:46,543 INFO L225 Difference]: With dead ends: 338 [2018-02-04 03:50:46,543 INFO L226 Difference]: Without dead ends: 328 [2018-02-04 03:50:46,543 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:50:46,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-02-04 03:50:46,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 265. [2018-02-04 03:50:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-02-04 03:50:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 284 transitions. [2018-02-04 03:50:46,546 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 284 transitions. Word has length 58 [2018-02-04 03:50:46,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:46,546 INFO L432 AbstractCegarLoop]: Abstraction has 265 states and 284 transitions. [2018-02-04 03:50:46,546 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:50:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 284 transitions. [2018-02-04 03:50:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:50:46,546 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:46,546 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:46,546 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:46,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1148661300, now seen corresponding path program 2 times [2018-02-04 03:50:46,547 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:46,557 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:46,782 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:46,782 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:50:46,782 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:46,783 INFO L182 omatonBuilderFactory]: Interpolants [14825#true, 14826#false, 14827#(= (select |#valid| main_~list~0.base) 1), 14828#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 14829#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 14830#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 14831#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 14832#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 14833#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 14834#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 14835#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 14836#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 14837#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc4.base|))), 14838#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 14839#(and (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem6.base|))), 14840#(and (not (= main_~end~0.base main_~list~0.base)) (or (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 14841#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 14842#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 14843#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 14844#(= 1 (select |#valid| |main_#t~mem20.base|)), 14845#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:50:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:46,783 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:50:46,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:50:46,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:50:46,784 INFO L87 Difference]: Start difference. First operand 265 states and 284 transitions. Second operand 21 states. [2018-02-04 03:50:47,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:47,653 INFO L93 Difference]: Finished difference Result 377 states and 406 transitions. [2018-02-04 03:50:47,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:50:47,653 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 58 [2018-02-04 03:50:47,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:47,655 INFO L225 Difference]: With dead ends: 377 [2018-02-04 03:50:47,655 INFO L226 Difference]: Without dead ends: 377 [2018-02-04 03:50:47,655 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=446, Invalid=1810, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:50:47,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-02-04 03:50:47,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2018-02-04 03:50:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-02-04 03:50:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 316 transitions. [2018-02-04 03:50:47,659 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 316 transitions. Word has length 58 [2018-02-04 03:50:47,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:47,660 INFO L432 AbstractCegarLoop]: Abstraction has 293 states and 316 transitions. [2018-02-04 03:50:47,660 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:50:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 316 transitions. [2018-02-04 03:50:47,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:50:47,660 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:47,661 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:47,661 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:47,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1148661301, now seen corresponding path program 2 times [2018-02-04 03:50:47,662 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:47,673 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:48,205 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:48,205 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:50:48,205 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:48,206 INFO L182 omatonBuilderFactory]: Interpolants [15584#(and (= main_~list~0.offset 0) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 15585#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= main_~list~0.offset |main_#t~malloc4.offset|)), 15586#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 15587#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~list~0.offset |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|))), 15588#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 15589#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 15590#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 15591#(and (= 0 |main_#t~mem20.offset|) (or (= 0 |main_#t~mem20.base|) (= 8 (select |#length| |main_#t~mem20.base|)))), 15592#(and (= main_~end~0.offset 0) (or (= (select |#length| main_~end~0.base) 8) (= main_~end~0.base 0))), 15593#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 15570#true, 15571#false, 15572#(= |main_#t~malloc0.offset| 0), 15573#(= main_~list~0.offset 0), 15574#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 15575#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 15576#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 15577#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 15578#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|))), 15579#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 15580#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 15581#(and (= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 15582#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 15583#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|)))] [2018-02-04 03:50:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:48,206 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:50:48,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:50:48,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:50:48,207 INFO L87 Difference]: Start difference. First operand 293 states and 316 transitions. Second operand 24 states. [2018-02-04 03:50:49,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:49,420 INFO L93 Difference]: Finished difference Result 347 states and 373 transitions. [2018-02-04 03:50:49,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:50:49,420 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 58 [2018-02-04 03:50:49,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:49,420 INFO L225 Difference]: With dead ends: 347 [2018-02-04 03:50:49,421 INFO L226 Difference]: Without dead ends: 347 [2018-02-04 03:50:49,421 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=546, Invalid=2106, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:50:49,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-02-04 03:50:49,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 276. [2018-02-04 03:50:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-02-04 03:50:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 297 transitions. [2018-02-04 03:50:49,423 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 297 transitions. Word has length 58 [2018-02-04 03:50:49,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:49,423 INFO L432 AbstractCegarLoop]: Abstraction has 276 states and 297 transitions. [2018-02-04 03:50:49,423 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:50:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 297 transitions. [2018-02-04 03:50:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 03:50:49,424 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:49,424 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:49,424 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:49,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1717352075, now seen corresponding path program 3 times [2018-02-04 03:50:49,424 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:49,432 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:49,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:49,748 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:49,748 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:50:49,748 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:49,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:49,749 INFO L182 omatonBuilderFactory]: Interpolants [16288#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 16289#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 16290#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 16291#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 16292#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 16293#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 16294#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 16273#true, 16274#false, 16275#(= (select |#valid| main_~list~0.base) 1), 16276#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 16277#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 16278#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 16279#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 16280#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 16281#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 16282#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))), 16283#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 16284#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 16285#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 16286#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 16287#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))] [2018-02-04 03:50:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:49,749 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:50:49,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:50:49,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:50:49,749 INFO L87 Difference]: Start difference. First operand 276 states and 297 transitions. Second operand 22 states. [2018-02-04 03:50:50,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:50,691 INFO L93 Difference]: Finished difference Result 328 states and 353 transitions. [2018-02-04 03:50:50,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:50:50,692 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 59 [2018-02-04 03:50:50,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:50,692 INFO L225 Difference]: With dead ends: 328 [2018-02-04 03:50:50,693 INFO L226 Difference]: Without dead ends: 328 [2018-02-04 03:50:50,693 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=1761, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:50:50,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-02-04 03:50:50,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 286. [2018-02-04 03:50:50,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-02-04 03:50:50,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 309 transitions. [2018-02-04 03:50:50,695 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 309 transitions. Word has length 59 [2018-02-04 03:50:50,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:50,696 INFO L432 AbstractCegarLoop]: Abstraction has 286 states and 309 transitions. [2018-02-04 03:50:50,696 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:50:50,696 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 309 transitions. [2018-02-04 03:50:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 03:50:50,696 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:50,696 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] [2018-02-04 03:50:50,696 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:50,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1953723227, now seen corresponding path program 2 times [2018-02-04 03:50:50,697 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:50,703 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:50,919 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 03:50:50,919 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:50,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:50:50,920 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:50,920 INFO L182 omatonBuilderFactory]: Interpolants [16960#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 16961#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 16962#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 16963#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 16964#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 16965#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 16966#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 16967#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 16968#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 16969#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 16970#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 16971#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 16972#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 16973#(= 1 (select |#valid| |main_#t~mem18.base|)), 16974#(= 1 (select |#valid| main_~end~0.base)), 16955#true, 16956#false, 16957#(= (select |#valid| main_~list~0.base) 1), 16958#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 16959#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset))] [2018-02-04 03:50:50,920 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 03:50:50,920 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:50:50,920 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:50:50,920 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:50:50,921 INFO L87 Difference]: Start difference. First operand 286 states and 309 transitions. Second operand 20 states. [2018-02-04 03:50:51,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:51,652 INFO L93 Difference]: Finished difference Result 338 states and 364 transitions. [2018-02-04 03:50:51,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:50:51,652 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 60 [2018-02-04 03:50:51,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:51,653 INFO L225 Difference]: With dead ends: 338 [2018-02-04 03:50:51,653 INFO L226 Difference]: Without dead ends: 338 [2018-02-04 03:50:51,653 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=1134, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:50:51,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-02-04 03:50:51,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 293. [2018-02-04 03:50:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-02-04 03:50:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 317 transitions. [2018-02-04 03:50:51,655 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 317 transitions. Word has length 60 [2018-02-04 03:50:51,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:51,655 INFO L432 AbstractCegarLoop]: Abstraction has 293 states and 317 transitions. [2018-02-04 03:50:51,655 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:50:51,655 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 317 transitions. [2018-02-04 03:50:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 03:50:51,655 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:51,656 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] [2018-02-04 03:50:51,656 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:51,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1953723226, now seen corresponding path program 1 times [2018-02-04 03:50:51,656 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:51,662 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:51,957 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 03:50:51,957 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:51,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:50:51,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:51,957 INFO L182 omatonBuilderFactory]: Interpolants [17640#true, 17641#false, 17642#(= (select |#valid| main_~list~0.base) 1), 17643#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 17644#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 17645#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 17646#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 17647#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 17648#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17649#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 17650#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 17651#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 17652#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 17653#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 17654#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 17655#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 17656#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 17657#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 17658#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0))] [2018-02-04 03:50:51,958 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 03:50:51,958 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:50:51,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:50:51,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:50:51,958 INFO L87 Difference]: Start difference. First operand 293 states and 317 transitions. Second operand 19 states. [2018-02-04 03:50:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:52,756 INFO L93 Difference]: Finished difference Result 343 states and 369 transitions. [2018-02-04 03:50:52,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:50:52,757 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 60 [2018-02-04 03:50:52,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:52,757 INFO L225 Difference]: With dead ends: 343 [2018-02-04 03:50:52,757 INFO L226 Difference]: Without dead ends: 343 [2018-02-04 03:50:52,758 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:50:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-02-04 03:50:52,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 286. [2018-02-04 03:50:52,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-02-04 03:50:52,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 309 transitions. [2018-02-04 03:50:52,761 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 309 transitions. Word has length 60 [2018-02-04 03:50:52,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:52,761 INFO L432 AbstractCegarLoop]: Abstraction has 286 states and 309 transitions. [2018-02-04 03:50:52,761 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:50:52,761 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 309 transitions. [2018-02-04 03:50:52,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-02-04 03:50:52,762 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:52,762 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:52,762 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:52,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1260610777, now seen corresponding path program 2 times [2018-02-04 03:50:52,763 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:52,771 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:53,161 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:53,162 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:50:53,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:53,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:53,162 INFO L182 omatonBuilderFactory]: Interpolants [18314#true, 18315#false, 18316#(= (select |#valid| main_~list~0.base) 1), 18317#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 18318#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 18319#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 18320#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 18321#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 18322#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 18323#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))), 18324#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 18325#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 18326#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 18327#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 18328#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 18329#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 18330#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 18331#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 18332#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 18333#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 18334#(and (= 0 |main_#t~mem18.base|) (= 0 |main_#t~mem18.offset|)), 18335#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 03:50:53,162 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:53,163 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:50:53,163 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:50:53,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:50:53,163 INFO L87 Difference]: Start difference. First operand 286 states and 309 transitions. Second operand 22 states. [2018-02-04 03:50:54,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:54,148 INFO L93 Difference]: Finished difference Result 339 states and 363 transitions. [2018-02-04 03:50:54,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:50:54,148 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 61 [2018-02-04 03:50:54,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:54,149 INFO L225 Difference]: With dead ends: 339 [2018-02-04 03:50:54,149 INFO L226 Difference]: Without dead ends: 335 [2018-02-04 03:50:54,149 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=1680, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:50:54,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-02-04 03:50:54,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 286. [2018-02-04 03:50:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-02-04 03:50:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 308 transitions. [2018-02-04 03:50:54,152 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 308 transitions. Word has length 61 [2018-02-04 03:50:54,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:54,152 INFO L432 AbstractCegarLoop]: Abstraction has 286 states and 308 transitions. [2018-02-04 03:50:54,152 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:50:54,152 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 308 transitions. [2018-02-04 03:50:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 03:50:54,153 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:54,153 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:54,153 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:54,153 INFO L82 PathProgramCache]: Analyzing trace with hash -119354089, now seen corresponding path program 1 times [2018-02-04 03:50:54,154 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:54,160 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:55,092 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:55,092 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:50:55,092 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:55,093 INFO L182 omatonBuilderFactory]: Interpolants [19008#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= (select |#valid| 0) 0)), 19009#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= (select |#valid| 0) 0)), 19010#(and (= main_~list~0.offset 0) (= 1 (select |#valid| main_~list~0.base)) (= (select |#valid| 0) 0)), 19011#(and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= (select |#valid| 0) 0) (= 1 (select |#valid| main_~end~0.base))), 19012#(and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= (select |#valid| 0) 0) (= 0 |main_#t~malloc4.offset|)), 19013#(and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= (select |#valid| 0) 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 19014#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= (select |#valid| 0) 0) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|))), 19015#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (or (and (< main_~end~0.offset (+ main_~list~0.offset 1)) (or (= 1 (select |#valid| 0)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0)))) (< main_~end~0.offset main_~list~0.offset))), 19016#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (<= 0 main_~end~0.offset) (< main_~end~0.offset (+ main_~list~0.offset 1)) (or (= 1 (select |#valid| 0)) (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0)))), 19017#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4)))))), 19018#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select |#valid| 0)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4)))))), 19019#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| 0)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4)))))), 19020#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| 0)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4))))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19021#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem20.base|) (or (= 1 (select |#valid| 0)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4)))))), 19022#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (or (= 1 (select |#valid| 0)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4)))))), 19023#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (= 1 (select |#valid| 0)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4)))))), 19024#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|)) (or (and (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4))) (= (select (store |#valid| main_~list~0.base 0) 0) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))), 19025#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4))) (= (select (store |#valid| main_~list~0.base 0) 0) 0)))), 19026#(and (or (= 1 (select |#valid| 0)) (and (= 1 (select (select |#memory_int| main_~end~0.base) (+ 0 4))) (= (select |#valid| 0) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 19027#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (and (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select |#valid| 0) 0)) (<= 1 main_~list~0.offset) (= 1 (select |#valid| 0)) (<= (+ main_~list~0.offset 1) 0))), 19028#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (and (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select (store |#valid| main_~list~0.base 0) 0) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 19029#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (and (= 1 |main_#t~mem21|) (= (select (store |#valid| main_~list~0.base 0) 0) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) 0))))), 19030#(or (not (= main_~list~0.offset 0)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 19031#(or (and (= 0 |main_#t~mem22.base|) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= main_~list~0.offset 0))), 19032#(or (not (= main_~list~0.offset 0)) (and (= 0 main_~end~0.base) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))), 19033#(= 1 (select |#valid| main_~end~0.base)), 19005#true, 19006#false, 19007#(= (select |#valid| 0) 0)] [2018-02-04 03:50:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:55,093 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:50:55,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:50:55,094 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:50:55,094 INFO L87 Difference]: Start difference. First operand 286 states and 308 transitions. Second operand 29 states. [2018-02-04 03:50:56,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:56,345 INFO L93 Difference]: Finished difference Result 287 states and 308 transitions. [2018-02-04 03:50:56,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:50:56,345 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 62 [2018-02-04 03:50:56,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:56,347 INFO L225 Difference]: With dead ends: 287 [2018-02-04 03:50:56,347 INFO L226 Difference]: Without dead ends: 284 [2018-02-04 03:50:56,348 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=437, Invalid=2985, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:50:56,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-02-04 03:50:56,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 283. [2018-02-04 03:50:56,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-02-04 03:50:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 304 transitions. [2018-02-04 03:50:56,351 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 304 transitions. Word has length 62 [2018-02-04 03:50:56,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:56,351 INFO L432 AbstractCegarLoop]: Abstraction has 283 states and 304 transitions. [2018-02-04 03:50:56,351 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:50:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 304 transitions. [2018-02-04 03:50:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 03:50:56,352 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:56,352 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 03:50:56,352 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:56,352 INFO L82 PathProgramCache]: Analyzing trace with hash 2094318639, now seen corresponding path program 1 times [2018-02-04 03:50:56,353 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:56,361 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:56,645 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:56,645 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:50:56,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:56,645 INFO L182 omatonBuilderFactory]: Interpolants [19680#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 19681#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 19682#(and (= 0 (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|))), 19683#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 19684#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 19685#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 19664#true, 19665#false, 19666#(= (select |#valid| main_~list~0.base) 1), 19667#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 19668#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 19669#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 19670#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 19671#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 19672#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19673#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))), 19674#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19675#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 19676#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 19677#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 19678#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 19679#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))] [2018-02-04 03:50:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:56,646 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:50:56,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:50:56,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:50:56,646 INFO L87 Difference]: Start difference. First operand 283 states and 304 transitions. Second operand 22 states. [2018-02-04 03:50:57,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:57,484 INFO L93 Difference]: Finished difference Result 308 states and 329 transitions. [2018-02-04 03:50:57,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:50:57,484 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 62 [2018-02-04 03:50:57,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:57,485 INFO L225 Difference]: With dead ends: 308 [2018-02-04 03:50:57,485 INFO L226 Difference]: Without dead ends: 308 [2018-02-04 03:50:57,485 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=190, Invalid=1532, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:50:57,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-02-04 03:50:57,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 292. [2018-02-04 03:50:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-02-04 03:50:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 313 transitions. [2018-02-04 03:50:57,488 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 313 transitions. Word has length 62 [2018-02-04 03:50:57,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:57,489 INFO L432 AbstractCegarLoop]: Abstraction has 292 states and 313 transitions. [2018-02-04 03:50:57,489 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:50:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 313 transitions. [2018-02-04 03:50:57,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:50:57,489 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:57,490 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:57,490 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:57,490 INFO L82 PathProgramCache]: Analyzing trace with hash 2027711640, now seen corresponding path program 3 times [2018-02-04 03:50:57,490 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:57,498 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:50:57,618 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:57,618 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:50:57,618 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:57,618 INFO L182 omatonBuilderFactory]: Interpolants [20326#true, 20327#false, 20328#(= (select |#valid| main_~list~0.base) 1), 20329#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 20330#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (not (= |main_#t~malloc4.base| 0))), 20331#(and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 20332#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 20333#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0))), 20334#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 20335#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 20336#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem6.base|))), 20337#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0))), 20338#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 20339#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)), 20340#(not (= |main_#t~mem20.base| 0)), 20341#(not (= main_~end~0.base 0))] [2018-02-04 03:50:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:50:57,619 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:50:57,619 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:50:57,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:50:57,619 INFO L87 Difference]: Start difference. First operand 292 states and 313 transitions. Second operand 16 states. [2018-02-04 03:50:58,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:58,011 INFO L93 Difference]: Finished difference Result 364 states and 390 transitions. [2018-02-04 03:50:58,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:50:58,012 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2018-02-04 03:50:58,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:58,012 INFO L225 Difference]: With dead ends: 364 [2018-02-04 03:50:58,012 INFO L226 Difference]: Without dead ends: 364 [2018-02-04 03:50:58,013 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:50:58,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-02-04 03:50:58,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 319. [2018-02-04 03:50:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-02-04 03:50:58,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 341 transitions. [2018-02-04 03:50:58,016 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 341 transitions. Word has length 63 [2018-02-04 03:50:58,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:58,016 INFO L432 AbstractCegarLoop]: Abstraction has 319 states and 341 transitions. [2018-02-04 03:50:58,016 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:50:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 341 transitions. [2018-02-04 03:50:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:50:58,017 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:58,017 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:58,018 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:58,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1257855219, now seen corresponding path program 1 times [2018-02-04 03:50:58,018 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:58,027 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:58,431 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:58,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:50:58,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:58,431 INFO L182 omatonBuilderFactory]: Interpolants [21056#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 21057#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem13.base|))), 21058#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 21059#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 21060#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 21061#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) |main_#t~mem20.offset|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.base|)), 21062#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (= main_~end~0.base main_~list~0.base) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 21063#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (= main_~end~0.base main_~list~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))))), 21064#(and (not (= 0 main_~list~0.base)) (or (not (= 0 |main_#t~mem20.base|)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 21065#(and (not (= 0 main_~list~0.base)) (or (not (= 0 main_~end~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 21066#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 21067#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem24.base|))), 21068#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 21069#(= 1 (select |#valid| main_~end~0.base)), 21070#(= 1 (select |#valid| main_~list~0.base)), 21045#true, 21046#false, 21047#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 21048#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset)), 21049#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 21050#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 21051#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc4.offset| main_~list~0.offset)), 21052#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) main_~list~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 21053#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem6.base|))), 21054#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 21055#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset))] [2018-02-04 03:50:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:58,431 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:50:58,432 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:50:58,432 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:50:58,432 INFO L87 Difference]: Start difference. First operand 319 states and 341 transitions. Second operand 26 states. [2018-02-04 03:50:59,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:59,484 INFO L93 Difference]: Finished difference Result 357 states and 381 transitions. [2018-02-04 03:50:59,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:50:59,484 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 63 [2018-02-04 03:50:59,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:59,485 INFO L225 Difference]: With dead ends: 357 [2018-02-04 03:50:59,485 INFO L226 Difference]: Without dead ends: 357 [2018-02-04 03:50:59,485 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=647, Invalid=2659, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 03:50:59,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-02-04 03:50:59,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 330. [2018-02-04 03:50:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-02-04 03:50:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 353 transitions. [2018-02-04 03:50:59,488 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 353 transitions. Word has length 63 [2018-02-04 03:50:59,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:59,488 INFO L432 AbstractCegarLoop]: Abstraction has 330 states and 353 transitions. [2018-02-04 03:50:59,488 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:50:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 353 transitions. [2018-02-04 03:50:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:50:59,488 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:59,489 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:59,489 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:59,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1257855218, now seen corresponding path program 1 times [2018-02-04 03:50:59,489 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:59,494 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:50:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:50:59,564 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:50:59,564 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:50:59,564 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:50:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:50:59,564 INFO L182 omatonBuilderFactory]: Interpolants [21824#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 21825#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.base|)), 21826#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 21827#(and (<= (+ main_~end~0.offset 8) (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 21828#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 21829#(and (<= 0 |main_#t~mem24.offset|) (<= (+ |main_#t~mem24.offset| 8) (select |#length| |main_#t~mem24.base|))), 21830#(and (<= (+ main_~end~0.offset 8) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 21831#(and (<= (+ main_~list~0.offset 8) (select |#length| main_~list~0.base)) (<= 0 main_~list~0.offset)), 21822#true, 21823#false] [2018-02-04 03:50:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:50:59,564 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:50:59,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:50:59,565 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:50:59,565 INFO L87 Difference]: Start difference. First operand 330 states and 353 transitions. Second operand 10 states. [2018-02-04 03:50:59,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:50:59,811 INFO L93 Difference]: Finished difference Result 375 states and 401 transitions. [2018-02-04 03:50:59,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:50:59,811 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2018-02-04 03:50:59,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:50:59,812 INFO L225 Difference]: With dead ends: 375 [2018-02-04 03:50:59,812 INFO L226 Difference]: Without dead ends: 375 [2018-02-04 03:50:59,812 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:50:59,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-02-04 03:50:59,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 334. [2018-02-04 03:50:59,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-02-04 03:50:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 358 transitions. [2018-02-04 03:50:59,815 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 358 transitions. Word has length 63 [2018-02-04 03:50:59,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:50:59,815 INFO L432 AbstractCegarLoop]: Abstraction has 334 states and 358 transitions. [2018-02-04 03:50:59,815 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:50:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 358 transitions. [2018-02-04 03:50:59,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:50:59,816 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:50:59,816 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:50:59,816 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:50:59,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1577831399, now seen corresponding path program 5 times [2018-02-04 03:50:59,816 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:50:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:50:59,821 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:00,152 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:00,152 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:51:00,152 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:00,152 INFO L182 omatonBuilderFactory]: Interpolants [22560#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 22561#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 22562#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 22563#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 22564#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 22565#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 22566#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 22567#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 22568#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 22569#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 22570#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 22571#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 22572#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 22551#true, 22552#false, 22553#(= (select |#valid| main_~list~0.base) 1), 22554#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 22555#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 22556#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 22557#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 22558#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 22559#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-02-04 03:51:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:00,153 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:51:00,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:51:00,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:51:00,153 INFO L87 Difference]: Start difference. First operand 334 states and 358 transitions. Second operand 22 states. [2018-02-04 03:51:01,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:01,170 INFO L93 Difference]: Finished difference Result 382 states and 409 transitions. [2018-02-04 03:51:01,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:51:01,170 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 64 [2018-02-04 03:51:01,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:01,171 INFO L225 Difference]: With dead ends: 382 [2018-02-04 03:51:01,171 INFO L226 Difference]: Without dead ends: 382 [2018-02-04 03:51:01,171 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=1761, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:51:01,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-02-04 03:51:01,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 336. [2018-02-04 03:51:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-02-04 03:51:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 361 transitions. [2018-02-04 03:51:01,174 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 361 transitions. Word has length 64 [2018-02-04 03:51:01,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:01,175 INFO L432 AbstractCegarLoop]: Abstraction has 336 states and 361 transitions. [2018-02-04 03:51:01,175 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:51:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 361 transitions. [2018-02-04 03:51:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:51:01,175 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:01,175 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:01,175 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:01,175 INFO L82 PathProgramCache]: Analyzing trace with hash -577358904, now seen corresponding path program 3 times [2018-02-04 03:51:01,176 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:01,183 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:01,522 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 03:51:01,522 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:01,522 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:51:01,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:01,522 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 03:51:01,523 INFO L182 omatonBuilderFactory]: Interpolants [23337#true, 23338#false, 23339#(= (select |#valid| main_~list~0.base) 1), 23340#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 23341#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 23342#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 23343#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 23344#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 23345#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 23346#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 23347#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 23348#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 23349#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 23350#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 23351#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 23352#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))), 23353#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 23354#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 23355#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 23356#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 23357#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 23358#(= 1 (select |#valid| |main_#t~mem20.base|)), 23359#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:51:01,523 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 03:51:01,523 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:51:01,523 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:51:01,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:51:01,523 INFO L87 Difference]: Start difference. First operand 336 states and 361 transitions. Second operand 23 states. [2018-02-04 03:51:02,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:02,782 INFO L93 Difference]: Finished difference Result 419 states and 449 transitions. [2018-02-04 03:51:02,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:51:02,782 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 64 [2018-02-04 03:51:02,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:02,783 INFO L225 Difference]: With dead ends: 419 [2018-02-04 03:51:02,783 INFO L226 Difference]: Without dead ends: 419 [2018-02-04 03:51:02,784 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=315, Invalid=1847, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:51:02,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-02-04 03:51:02,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 359. [2018-02-04 03:51:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-02-04 03:51:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 388 transitions. [2018-02-04 03:51:02,787 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 388 transitions. Word has length 64 [2018-02-04 03:51:02,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:02,787 INFO L432 AbstractCegarLoop]: Abstraction has 359 states and 388 transitions. [2018-02-04 03:51:02,787 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:51:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 388 transitions. [2018-02-04 03:51:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:51:02,788 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:02,788 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:02,788 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:02,788 INFO L82 PathProgramCache]: Analyzing trace with hash -577358903, now seen corresponding path program 3 times [2018-02-04 03:51:02,789 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:02,797 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:03,235 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 03:51:03,235 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:03,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:51:03,235 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:03,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:03,236 INFO L182 omatonBuilderFactory]: Interpolants [24192#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 24193#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 24194#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 24195#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 24196#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 24197#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 24198#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 24199#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 24200#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= (select |#length| main_~end~0.base) 8) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 24201#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#length| main_~end~0.base) 8) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 24202#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 24203#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 24204#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 24205#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 24206#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 24207#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 24208#(and (= 0 |main_#t~mem20.offset|) (<= 8 (select |#length| |main_#t~mem20.base|))), 24209#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base))), 24186#true, 24187#false, 24188#(= (select |#valid| main_~list~0.base) 1), 24189#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 24190#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 24191#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))] [2018-02-04 03:51:03,236 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 03:51:03,236 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:51:03,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:51:03,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:51:03,236 INFO L87 Difference]: Start difference. First operand 359 states and 388 transitions. Second operand 24 states. [2018-02-04 03:51:04,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:04,453 INFO L93 Difference]: Finished difference Result 425 states and 456 transitions. [2018-02-04 03:51:04,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:51:04,454 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 64 [2018-02-04 03:51:04,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:04,454 INFO L225 Difference]: With dead ends: 425 [2018-02-04 03:51:04,455 INFO L226 Difference]: Without dead ends: 425 [2018-02-04 03:51:04,455 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=211, Invalid=1349, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:51:04,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-02-04 03:51:04,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 358. [2018-02-04 03:51:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-02-04 03:51:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 386 transitions. [2018-02-04 03:51:04,458 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 386 transitions. Word has length 64 [2018-02-04 03:51:04,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:04,458 INFO L432 AbstractCegarLoop]: Abstraction has 358 states and 386 transitions. [2018-02-04 03:51:04,458 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:51:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 386 transitions. [2018-02-04 03:51:04,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:51:04,459 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:04,459 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:04,459 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:04,459 INFO L82 PathProgramCache]: Analyzing trace with hash -831356006, now seen corresponding path program 4 times [2018-02-04 03:51:04,459 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:04,468 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:04,749 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 03:51:04,749 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:04,749 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:51:04,749 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:04,750 INFO L182 omatonBuilderFactory]: Interpolants [25025#true, 25026#false, 25027#(= (select |#valid| main_~list~0.base) 1), 25028#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 25029#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 25030#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 25031#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 25032#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 25033#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 25034#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 25035#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 25036#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 25037#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 25038#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 25039#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 25040#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 25041#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 25042#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 25043#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 25044#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 25045#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 25046#(= 1 (select |#valid| |main_#t~mem20.base|)), 25047#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:51:04,750 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 03:51:04,750 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:51:04,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:51:04,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:51:04,751 INFO L87 Difference]: Start difference. First operand 358 states and 386 transitions. Second operand 23 states. [2018-02-04 03:51:05,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:05,847 INFO L93 Difference]: Finished difference Result 451 states and 486 transitions. [2018-02-04 03:51:05,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:51:05,847 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 64 [2018-02-04 03:51:05,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:05,848 INFO L225 Difference]: With dead ends: 451 [2018-02-04 03:51:05,848 INFO L226 Difference]: Without dead ends: 451 [2018-02-04 03:51:05,848 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=315, Invalid=1847, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:51:05,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-02-04 03:51:05,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 392. [2018-02-04 03:51:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2018-02-04 03:51:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 426 transitions. [2018-02-04 03:51:05,851 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 426 transitions. Word has length 64 [2018-02-04 03:51:05,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:05,851 INFO L432 AbstractCegarLoop]: Abstraction has 392 states and 426 transitions. [2018-02-04 03:51:05,851 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:51:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 426 transitions. [2018-02-04 03:51:05,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:51:05,852 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:05,852 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:05,852 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:05,852 INFO L82 PathProgramCache]: Analyzing trace with hash -831356005, now seen corresponding path program 4 times [2018-02-04 03:51:05,852 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:05,860 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:06,302 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 03:51:06,302 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:06,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:51:06,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:06,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:06,303 INFO L182 omatonBuilderFactory]: Interpolants [25952#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 25953#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 8 (select |#length| main_~end~0.base))), 25954#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| main_~end~0.base))), 25955#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 25956#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 25957#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 25958#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 25959#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 25960#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 25961#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 25962#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 25939#true, 25940#false, 25941#(= (select |#valid| main_~list~0.base) 1), 25942#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 25943#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 25944#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 25945#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 25946#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 25947#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 25948#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~malloc11.base|))), 25949#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 25950#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 25951#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:51:06,303 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 03:51:06,303 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:51:06,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:51:06,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:51:06,303 INFO L87 Difference]: Start difference. First operand 392 states and 426 transitions. Second operand 24 states. [2018-02-04 03:51:07,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:07,392 INFO L93 Difference]: Finished difference Result 459 states and 495 transitions. [2018-02-04 03:51:07,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:51:07,392 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 64 [2018-02-04 03:51:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:07,393 INFO L225 Difference]: With dead ends: 459 [2018-02-04 03:51:07,393 INFO L226 Difference]: Without dead ends: 459 [2018-02-04 03:51:07,394 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=211, Invalid=1349, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:51:07,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-02-04 03:51:07,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 369. [2018-02-04 03:51:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-02-04 03:51:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 399 transitions. [2018-02-04 03:51:07,396 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 399 transitions. Word has length 64 [2018-02-04 03:51:07,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:07,396 INFO L432 AbstractCegarLoop]: Abstraction has 369 states and 399 transitions. [2018-02-04 03:51:07,396 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:51:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 399 transitions. [2018-02-04 03:51:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:51:07,397 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:07,397 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] [2018-02-04 03:51:07,397 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:07,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1079814203, now seen corresponding path program 4 times [2018-02-04 03:51:07,397 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:07,405 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:07,740 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 03:51:07,740 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:07,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:51:07,741 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:07,741 INFO L182 omatonBuilderFactory]: Interpolants [26823#true, 26824#false, 26825#(= (select |#valid| main_~list~0.base) 1), 26826#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 26827#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 26828#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 26829#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 26830#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 26831#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 26832#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 26833#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 26834#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 26835#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 26836#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 26837#(and (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~mem6.base|))), 26838#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select |#valid| main_~list~0.base) 0)) (or (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 26839#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (or (= |main_#t~malloc11.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)))), 26840#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 26841#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 26842#(and (not (= main_~end~0.base main_~list~0.base)) (or (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 26843#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 26844#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 26845#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 26846#(= 1 (select |#valid| |main_#t~mem20.base|)), 26847#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:51:07,741 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 03:51:07,741 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:51:07,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:51:07,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:51:07,741 INFO L87 Difference]: Start difference. First operand 369 states and 399 transitions. Second operand 25 states. [2018-02-04 03:51:09,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:09,212 INFO L93 Difference]: Finished difference Result 417 states and 450 transitions. [2018-02-04 03:51:09,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:51:09,212 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 64 [2018-02-04 03:51:09,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:09,213 INFO L225 Difference]: With dead ends: 417 [2018-02-04 03:51:09,213 INFO L226 Difference]: Without dead ends: 417 [2018-02-04 03:51:09,214 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 932 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=669, Invalid=3113, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 03:51:09,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-02-04 03:51:09,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 370. [2018-02-04 03:51:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-02-04 03:51:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 401 transitions. [2018-02-04 03:51:09,216 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 401 transitions. Word has length 64 [2018-02-04 03:51:09,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:09,216 INFO L432 AbstractCegarLoop]: Abstraction has 370 states and 401 transitions. [2018-02-04 03:51:09,216 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:51:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 401 transitions. [2018-02-04 03:51:09,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:51:09,217 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:09,217 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] [2018-02-04 03:51:09,217 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:09,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1079814204, now seen corresponding path program 3 times [2018-02-04 03:51:09,218 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:09,234 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:09,618 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 03:51:09,618 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:09,618 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:51:09,618 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:09,618 INFO L182 omatonBuilderFactory]: Interpolants [27712#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 27713#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 27714#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 27715#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|))), 27716#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 27717#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 27718#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 27719#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 27720#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 27721#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 27722#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 27723#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 27724#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 27725#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 27726#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)))), 27727#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 27728#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 27729#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 27730#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 27731#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 27732#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 27733#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 27709#true, 27710#false, 27711#(= (select |#valid| main_~list~0.base) 1)] [2018-02-04 03:51:09,618 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 03:51:09,619 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:51:09,619 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:51:09,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:51:09,619 INFO L87 Difference]: Start difference. First operand 370 states and 401 transitions. Second operand 25 states. [2018-02-04 03:51:10,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:10,777 INFO L93 Difference]: Finished difference Result 381 states and 413 transitions. [2018-02-04 03:51:10,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:51:10,778 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 64 [2018-02-04 03:51:10,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:10,779 INFO L225 Difference]: With dead ends: 381 [2018-02-04 03:51:10,779 INFO L226 Difference]: Without dead ends: 381 [2018-02-04 03:51:10,779 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=408, Invalid=1754, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:51:10,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-02-04 03:51:10,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 339. [2018-02-04 03:51:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-02-04 03:51:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 365 transitions. [2018-02-04 03:51:10,781 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 365 transitions. Word has length 64 [2018-02-04 03:51:10,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:10,781 INFO L432 AbstractCegarLoop]: Abstraction has 339 states and 365 transitions. [2018-02-04 03:51:10,781 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:51:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 365 transitions. [2018-02-04 03:51:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 03:51:10,782 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:10,782 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:10,782 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:10,782 INFO L82 PathProgramCache]: Analyzing trace with hash 164064613, now seen corresponding path program 3 times [2018-02-04 03:51:10,782 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:10,786 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:51:10,923 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:10,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:51:10,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:10,924 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 03:51:10,924 INFO L182 omatonBuilderFactory]: Interpolants [28498#true, 28499#false, 28500#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 28501#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 28502#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 28503#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem20.base|) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 28504#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)), 28505#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 28506#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem24.base|) |main_#t~mem24.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|))), 28507#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 28508#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 28509#(and (= 0 |main_#t~mem24.base|) (= 0 |main_#t~mem24.offset|)), 28510#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset)), 28511#(and (= main_~list~0.offset 0) (= 0 main_~list~0.base))] [2018-02-04 03:51:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:51:10,924 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:51:10,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:51:10,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:51:10,925 INFO L87 Difference]: Start difference. First operand 339 states and 365 transitions. Second operand 14 states. [2018-02-04 03:51:11,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:11,327 INFO L93 Difference]: Finished difference Result 403 states and 434 transitions. [2018-02-04 03:51:11,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:51:11,328 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 65 [2018-02-04 03:51:11,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:11,328 INFO L225 Difference]: With dead ends: 403 [2018-02-04 03:51:11,328 INFO L226 Difference]: Without dead ends: 403 [2018-02-04 03:51:11,329 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:51:11,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-02-04 03:51:11,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 353. [2018-02-04 03:51:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-02-04 03:51:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 384 transitions. [2018-02-04 03:51:11,331 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 384 transitions. Word has length 65 [2018-02-04 03:51:11,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:11,331 INFO L432 AbstractCegarLoop]: Abstraction has 353 states and 384 transitions. [2018-02-04 03:51:11,331 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:51:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 384 transitions. [2018-02-04 03:51:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:51:11,331 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:11,331 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] [2018-02-04 03:51:11,332 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:11,332 INFO L82 PathProgramCache]: Analyzing trace with hash 791035020, now seen corresponding path program 4 times [2018-02-04 03:51:11,332 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:11,340 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:51:11,685 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:11,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:51:11,685 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:11,685 INFO L182 omatonBuilderFactory]: Interpolants [29289#true, 29290#false, 29291#(= |#valid| |old(#valid)|), 29292#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 29293#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|)), 29294#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 29295#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 29296#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (store (store |#valid| main_~list~0.base 0) |main_#t~malloc4.base| 0) |old(#valid)|) (not (= main_~list~0.base |main_#t~malloc4.base|))), 29297#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))), 29298#(and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 29299#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (store (store |#valid| main_~list~0.base 0) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|)), 29300#(and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 29301#(and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))), 29302#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~mem24.base|)) (= (store (store |#valid| main_~list~0.base 0) |main_#t~mem24.base| 0) |old(#valid)|)), 29303#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base main_~end~0.base)) (= |old(#valid)| (store (store |#valid| main_~list~0.base 0) main_~end~0.base 0))), 29304#(= (store |#valid| main_~end~0.base 0) |old(#valid)|), 29305#(= (store |#valid| main_~list~0.base 0) |old(#valid)|), 29306#(and (or (not (= main_~list~0.offset 0)) (not (= 0 main_~list~0.base))) (= (store |#valid| main_~list~0.base 0) |old(#valid)|))] [2018-02-04 03:51:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:51:11,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:51:11,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:51:11,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:51:11,685 INFO L87 Difference]: Start difference. First operand 353 states and 384 transitions. Second operand 18 states. [2018-02-04 03:51:12,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:12,119 INFO L93 Difference]: Finished difference Result 365 states and 395 transitions. [2018-02-04 03:51:12,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:51:12,120 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 66 [2018-02-04 03:51:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:12,120 INFO L225 Difference]: With dead ends: 365 [2018-02-04 03:51:12,120 INFO L226 Difference]: Without dead ends: 323 [2018-02-04 03:51:12,121 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:51:12,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-02-04 03:51:12,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2018-02-04 03:51:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-02-04 03:51:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 353 transitions. [2018-02-04 03:51:12,123 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 353 transitions. Word has length 66 [2018-02-04 03:51:12,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:12,123 INFO L432 AbstractCegarLoop]: Abstraction has 323 states and 353 transitions. [2018-02-04 03:51:12,123 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:51:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 353 transitions. [2018-02-04 03:51:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:51:12,123 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:12,123 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:51:12,123 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:12,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1753935157, now seen corresponding path program 3 times [2018-02-04 03:51:12,124 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:12,130 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:12,607 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:12,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:51:12,608 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:12,608 INFO L182 omatonBuilderFactory]: Interpolants [30017#true, 30018#false, 30019#(= (select |#valid| main_~list~0.base) 1), 30020#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 30021#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 30022#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 30023#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 30024#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 30025#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 30026#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 30027#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 30028#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 30029#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 30030#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 30031#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 30032#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 30033#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 30034#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 30035#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 30036#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 30037#(and (= 0 |main_#t~mem18.base|) (= 0 |main_#t~mem18.offset|)), 30038#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 03:51:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:12,608 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:51:12,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:51:12,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:51:12,608 INFO L87 Difference]: Start difference. First operand 323 states and 353 transitions. Second operand 22 states. [2018-02-04 03:51:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:13,519 INFO L93 Difference]: Finished difference Result 373 states and 404 transitions. [2018-02-04 03:51:13,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:51:13,519 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 66 [2018-02-04 03:51:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:13,520 INFO L225 Difference]: With dead ends: 373 [2018-02-04 03:51:13,520 INFO L226 Difference]: Without dead ends: 369 [2018-02-04 03:51:13,520 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=198, Invalid=1524, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:51:13,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-02-04 03:51:13,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 321. [2018-02-04 03:51:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-02-04 03:51:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 350 transitions. [2018-02-04 03:51:13,523 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 350 transitions. Word has length 66 [2018-02-04 03:51:13,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:13,523 INFO L432 AbstractCegarLoop]: Abstraction has 321 states and 350 transitions. [2018-02-04 03:51:13,523 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:51:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 350 transitions. [2018-02-04 03:51:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:51:13,523 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:13,523 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:13,523 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:13,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1577387628, now seen corresponding path program 1 times [2018-02-04 03:51:13,524 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:13,533 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:14,051 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:14,051 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:51:14,051 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:14,051 INFO L182 omatonBuilderFactory]: Interpolants [30784#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 30785#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 30786#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 30787#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 30788#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))), 30789#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 30790#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 30791#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 30792#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 30793#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 30794#(= 1 (select |#valid| |main_#t~mem18.base|)), 30795#(= 1 (select |#valid| main_~end~0.base)), 30773#true, 30774#false, 30775#(= (select |#valid| main_~list~0.base) 1), 30776#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 30777#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 30778#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 30779#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 30780#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 30781#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 30782#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 30783#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-02-04 03:51:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:14,052 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:51:14,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:51:14,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:51:14,052 INFO L87 Difference]: Start difference. First operand 321 states and 350 transitions. Second operand 23 states. [2018-02-04 03:51:15,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:15,103 INFO L93 Difference]: Finished difference Result 416 states and 452 transitions. [2018-02-04 03:51:15,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:51:15,104 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-02-04 03:51:15,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:15,104 INFO L225 Difference]: With dead ends: 416 [2018-02-04 03:51:15,105 INFO L226 Difference]: Without dead ends: 416 [2018-02-04 03:51:15,105 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=294, Invalid=1686, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:51:15,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-02-04 03:51:15,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 349. [2018-02-04 03:51:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-02-04 03:51:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 382 transitions. [2018-02-04 03:51:15,107 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 382 transitions. Word has length 66 [2018-02-04 03:51:15,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:15,107 INFO L432 AbstractCegarLoop]: Abstraction has 349 states and 382 transitions. [2018-02-04 03:51:15,107 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:51:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 382 transitions. [2018-02-04 03:51:15,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:51:15,108 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:15,108 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:15,108 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:15,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1577387629, now seen corresponding path program 1 times [2018-02-04 03:51:15,108 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:15,118 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:15,551 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:15,551 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:51:15,551 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:15,551 INFO L182 omatonBuilderFactory]: Interpolants [31616#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 31617#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 31618#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 31619#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= (select |#length| main_~end~0.base) 8) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 31620#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#length| main_~end~0.base) 8) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 31621#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 31622#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 31623#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 31624#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 31625#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 31626#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 31627#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 31628#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base))), 31605#true, 31606#false, 31607#(= (select |#valid| main_~list~0.base) 1), 31608#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 31609#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 31610#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 31611#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 31612#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 31613#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 31614#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 31615#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-02-04 03:51:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:15,551 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:51:15,552 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:51:15,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:51:15,552 INFO L87 Difference]: Start difference. First operand 349 states and 382 transitions. Second operand 24 states. [2018-02-04 03:51:16,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:16,676 INFO L93 Difference]: Finished difference Result 423 states and 459 transitions. [2018-02-04 03:51:16,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:51:16,676 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 66 [2018-02-04 03:51:16,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:16,677 INFO L225 Difference]: With dead ends: 423 [2018-02-04 03:51:16,677 INFO L226 Difference]: Without dead ends: 423 [2018-02-04 03:51:16,677 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=211, Invalid=1349, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:51:16,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-02-04 03:51:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 342. [2018-02-04 03:51:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 03:51:16,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 374 transitions. [2018-02-04 03:51:16,679 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 374 transitions. Word has length 66 [2018-02-04 03:51:16,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:16,680 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 374 transitions. [2018-02-04 03:51:16,680 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:51:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 374 transitions. [2018-02-04 03:51:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:51:16,680 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:16,680 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:16,680 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:16,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1995658818, now seen corresponding path program 2 times [2018-02-04 03:51:16,681 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:16,693 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:17,015 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:17,015 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:51:17,015 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:17,015 INFO L182 omatonBuilderFactory]: Interpolants [32448#(= 1 (select |#valid| main_~end~0.base)), 32426#true, 32427#false, 32428#(= (select |#valid| main_~list~0.base) 1), 32429#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 32430#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 32431#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 32432#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 32433#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 32434#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 32435#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 32436#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 32437#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 32438#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 32439#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 32440#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 32441#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 32442#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 32443#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 32444#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 32445#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 32446#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 32447#(= 1 (select |#valid| |main_#t~mem18.base|))] [2018-02-04 03:51:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:17,015 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:51:17,016 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:51:17,016 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:51:17,016 INFO L87 Difference]: Start difference. First operand 342 states and 374 transitions. Second operand 23 states. [2018-02-04 03:51:17,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:17,969 INFO L93 Difference]: Finished difference Result 417 states and 453 transitions. [2018-02-04 03:51:17,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:51:17,969 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-02-04 03:51:17,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:17,970 INFO L225 Difference]: With dead ends: 417 [2018-02-04 03:51:17,970 INFO L226 Difference]: Without dead ends: 417 [2018-02-04 03:51:17,970 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=295, Invalid=1685, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:51:17,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-02-04 03:51:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 349. [2018-02-04 03:51:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-02-04 03:51:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 382 transitions. [2018-02-04 03:51:17,972 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 382 transitions. Word has length 66 [2018-02-04 03:51:17,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:17,972 INFO L432 AbstractCegarLoop]: Abstraction has 349 states and 382 transitions. [2018-02-04 03:51:17,972 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:51:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 382 transitions. [2018-02-04 03:51:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:51:17,973 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:17,973 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:17,973 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:17,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1995658817, now seen corresponding path program 2 times [2018-02-04 03:51:17,973 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:17,981 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:18,408 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:18,408 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:51:18,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:18,409 INFO L182 omatonBuilderFactory]: Interpolants [33280#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 33281#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 33282#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 33259#true, 33260#false, 33261#(= (select |#valid| main_~list~0.base) 1), 33262#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 33263#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 33264#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 33265#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 33266#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 33267#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 33268#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~malloc11.base|))), 33269#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 33270#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 33271#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 33272#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 33273#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 8 (select |#length| main_~end~0.base))), 33274#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| main_~end~0.base))), 33275#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 33276#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 33277#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 33278#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 33279#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))] [2018-02-04 03:51:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:18,409 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:51:18,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:51:18,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:51:18,409 INFO L87 Difference]: Start difference. First operand 349 states and 382 transitions. Second operand 24 states. [2018-02-04 03:51:19,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:19,404 INFO L93 Difference]: Finished difference Result 425 states and 461 transitions. [2018-02-04 03:51:19,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:51:19,404 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 66 [2018-02-04 03:51:19,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:19,405 INFO L225 Difference]: With dead ends: 425 [2018-02-04 03:51:19,405 INFO L226 Difference]: Without dead ends: 425 [2018-02-04 03:51:19,405 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=211, Invalid=1349, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:51:19,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-02-04 03:51:19,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 321. [2018-02-04 03:51:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-02-04 03:51:19,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 350 transitions. [2018-02-04 03:51:19,407 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 350 transitions. Word has length 66 [2018-02-04 03:51:19,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:19,408 INFO L432 AbstractCegarLoop]: Abstraction has 321 states and 350 transitions. [2018-02-04 03:51:19,408 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:51:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 350 transitions. [2018-02-04 03:51:19,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 03:51:19,408 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:19,408 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:19,408 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:19,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1162292099, now seen corresponding path program 1 times [2018-02-04 03:51:19,409 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:19,413 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:19,738 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:19,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:51:19,738 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:19,738 INFO L182 omatonBuilderFactory]: Interpolants [34080#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 34081#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 34082#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 34061#true, 34062#false, 34063#(= (select |#valid| main_~list~0.base) 1), 34064#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 34065#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 34066#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 34067#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 34068#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 34069#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 34070#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 34071#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 34072#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 34073#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 34074#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 34075#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 34076#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 34077#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 34078#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 34079#(and (= 0 (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|)))] [2018-02-04 03:51:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:19,739 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:51:19,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:51:19,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:51:19,739 INFO L87 Difference]: Start difference. First operand 321 states and 350 transitions. Second operand 22 states. [2018-02-04 03:51:20,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:20,580 INFO L93 Difference]: Finished difference Result 360 states and 389 transitions. [2018-02-04 03:51:20,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:51:20,580 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 67 [2018-02-04 03:51:20,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:20,581 INFO L225 Difference]: With dead ends: 360 [2018-02-04 03:51:20,581 INFO L226 Difference]: Without dead ends: 360 [2018-02-04 03:51:20,582 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=1456, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:51:20,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-02-04 03:51:20,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 321. [2018-02-04 03:51:20,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-02-04 03:51:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 350 transitions. [2018-02-04 03:51:20,583 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 350 transitions. Word has length 67 [2018-02-04 03:51:20,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:20,584 INFO L432 AbstractCegarLoop]: Abstraction has 321 states and 350 transitions. [2018-02-04 03:51:20,584 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:51:20,584 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 350 transitions. [2018-02-04 03:51:20,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 03:51:20,584 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:20,584 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:20,584 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:20,584 INFO L82 PathProgramCache]: Analyzing trace with hash -195474801, now seen corresponding path program 1 times [2018-02-04 03:51:20,585 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:20,590 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:51:20,722 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:20,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:51:20,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:20,722 INFO L182 omatonBuilderFactory]: Interpolants [34816#(= 0 |main_#t~mem24.offset|), 34817#(= 0 main_~end~0.offset), 34818#(= main_~list~0.offset 0), 34802#true, 34803#false, 34804#(= (select |#valid| main_~list~0.base) 1), 34805#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 34806#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|)), 34807#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 34808#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 34809#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 34810#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))), 34811#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 34812#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))), 34813#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 34814#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 34815#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))] [2018-02-04 03:51:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:51:20,723 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:51:20,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:51:20,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:51:20,723 INFO L87 Difference]: Start difference. First operand 321 states and 350 transitions. Second operand 17 states. [2018-02-04 03:51:21,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:21,170 INFO L93 Difference]: Finished difference Result 375 states and 407 transitions. [2018-02-04 03:51:21,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:51:21,171 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 67 [2018-02-04 03:51:21,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:21,171 INFO L225 Difference]: With dead ends: 375 [2018-02-04 03:51:21,171 INFO L226 Difference]: Without dead ends: 375 [2018-02-04 03:51:21,172 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:51:21,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-02-04 03:51:21,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 355. [2018-02-04 03:51:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-02-04 03:51:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 387 transitions. [2018-02-04 03:51:21,174 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 387 transitions. Word has length 67 [2018-02-04 03:51:21,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:21,174 INFO L432 AbstractCegarLoop]: Abstraction has 355 states and 387 transitions. [2018-02-04 03:51:21,174 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:51:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 387 transitions. [2018-02-04 03:51:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 03:51:21,174 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:21,174 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] [2018-02-04 03:51:21,174 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:21,175 INFO L82 PathProgramCache]: Analyzing trace with hash 866427007, now seen corresponding path program 4 times [2018-02-04 03:51:21,175 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:21,181 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:21,429 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:21,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:51:21,429 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:21,430 INFO L182 omatonBuilderFactory]: Interpolants [35584#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 35585#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc4.base|))), 35586#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))), 35587#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 35588#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 35589#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)))), 35590#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35591#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 35592#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 35593#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35594#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 35595#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.base|) (not (= main_~list~0.base |main_#t~mem20.base|))), 35596#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 35597#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 35598#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35599#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem24.base|))), 35600#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 35601#(= 1 (select |#valid| main_~end~0.base)), 35602#(= 1 (select |#valid| main_~list~0.base)), 35579#true, 35580#false, 35581#(not (= 0 |main_#t~malloc0.base|)), 35582#(not (= 0 main_~list~0.base)), 35583#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)))] [2018-02-04 03:51:21,430 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:21,430 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:51:21,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:51:21,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:51:21,430 INFO L87 Difference]: Start difference. First operand 355 states and 387 transitions. Second operand 24 states. [2018-02-04 03:51:22,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:22,254 INFO L93 Difference]: Finished difference Result 425 states and 463 transitions. [2018-02-04 03:51:22,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:51:22,254 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 68 [2018-02-04 03:51:22,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:22,255 INFO L225 Difference]: With dead ends: 425 [2018-02-04 03:51:22,255 INFO L226 Difference]: Without dead ends: 425 [2018-02-04 03:51:22,256 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=535, Invalid=1915, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 03:51:22,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-02-04 03:51:22,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 399. [2018-02-04 03:51:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-02-04 03:51:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 441 transitions. [2018-02-04 03:51:22,260 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 441 transitions. Word has length 68 [2018-02-04 03:51:22,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:22,260 INFO L432 AbstractCegarLoop]: Abstraction has 399 states and 441 transitions. [2018-02-04 03:51:22,260 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:51:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 441 transitions. [2018-02-04 03:51:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 03:51:22,260 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:22,261 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:22,261 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:22,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1764751376, now seen corresponding path program 1 times [2018-02-04 03:51:22,261 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:22,268 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:22,956 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:22,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:51:22,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:22,956 INFO L182 omatonBuilderFactory]: Interpolants [36480#false, 36481#(= (select |#valid| 0) 0), 36482#(and (not (= 0 |main_#t~malloc0.base|)) (= (select |#valid| 0) 0)), 36483#(and (not (= 0 main_~list~0.base)) (= (select |#valid| 0) 0)), 36484#(and (= 1 (select |#valid| main_~list~0.base)) (= (select |#valid| 0) 0)), 36485#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= 1 (select |#valid| main_~end~0.base))), 36486#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= 0 |main_#t~malloc4.offset|)), 36487#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 36488#(and (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= (select |#valid| 0) 0) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|))), 36489#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset 0) (= (select |#valid| 0) 0)))), 36490#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (= (select |#valid| main_~end~0.base) 1)))), 36491#(and (not (= 0 main_~list~0.base)) (or (and (not (= |main_#t~malloc11.base| 0)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|))) (= 1 (select |#valid| 0)))), 36492#(and (or (= 1 (select |#valid| 0)) (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0)))) (not (= 0 main_~list~0.base))), 36493#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0)) (not (= main_~list~0.base |main_#t~mem13.base|))))), 36494#(and (not (= 0 main_~list~0.base)) (or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0) 0))) (= 1 (select |#valid| 0)))), 36495#(and (or (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0))) (not (= 0 main_~list~0.base))), 36496#(and (not (= 0 main_~list~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0) 0))) (= 1 (select |#valid| 0)))), 36497#(and (not (= 0 main_~list~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) 0)) (= 1 (select |#valid| 0))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 36498#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 36499#(and (not (= 0 main_~list~0.base)) (or (not (= |main_#t~mem20.base| 0)) (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem20.base|)), 36500#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base 0)) (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)), 36501#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 36502#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|)) (or (not (= 0 |main_#t~mem24.offset|)) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))), 36503#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (not (= 0 main_~end~0.offset)))), 36504#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select |#valid| 0)) (not (= 0 main_~end~0.offset)))), 36505#(and (or (not (= 0 main_~list~0.offset)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 36506#(or (not (= main_~list~0.offset 0)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 36507#(or (and (= 0 |main_#t~mem22.base|) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= main_~list~0.offset 0))), 36508#(or (not (= main_~list~0.offset 0)) (and (= 0 main_~end~0.base) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))), 36509#(= 1 (select |#valid| main_~end~0.base)), 36479#true] [2018-02-04 03:51:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:22,957 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:51:22,957 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:51:22,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:51:22,957 INFO L87 Difference]: Start difference. First operand 399 states and 441 transitions. Second operand 31 states. [2018-02-04 03:51:24,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:24,442 INFO L93 Difference]: Finished difference Result 407 states and 447 transitions. [2018-02-04 03:51:24,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:51:24,442 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 68 [2018-02-04 03:51:24,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:24,443 INFO L225 Difference]: With dead ends: 407 [2018-02-04 03:51:24,443 INFO L226 Difference]: Without dead ends: 389 [2018-02-04 03:51:24,443 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=562, Invalid=3598, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:51:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-02-04 03:51:24,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2018-02-04 03:51:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-02-04 03:51:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 427 transitions. [2018-02-04 03:51:24,446 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 427 transitions. Word has length 68 [2018-02-04 03:51:24,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:24,446 INFO L432 AbstractCegarLoop]: Abstraction has 387 states and 427 transitions. [2018-02-04 03:51:24,446 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:51:24,446 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 427 transitions. [2018-02-04 03:51:24,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:51:24,446 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:24,446 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:51:24,447 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:24,447 INFO L82 PathProgramCache]: Analyzing trace with hash 596883560, now seen corresponding path program 6 times [2018-02-04 03:51:24,447 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:24,455 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:24,954 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:24,954 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:51:24,955 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:24,955 INFO L182 omatonBuilderFactory]: Interpolants [37376#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 37377#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 37378#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 37379#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 37380#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= |main_#t~mem6.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 37381#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 37382#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 37383#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 37384#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 37385#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 37386#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 37387#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~malloc4.offset|) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 37388#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 37389#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= main_~list~0.offset |main_#t~mem6.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 37390#(and (or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (and (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 37391#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))))), 37392#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 37393#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 37394#(and (= 0 |main_#t~mem20.offset|) (or (= 0 |main_#t~mem20.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))))), 37395#(and (= main_~end~0.offset 0) (or (= main_~end~0.base 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))))), 37396#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 37397#(= 1 (select |#valid| |main_#t~mem20.base|)), 37398#(= 1 (select |#valid| main_~end~0.base)), 37372#true, 37373#false, 37374#(= |main_#t~malloc0.offset| 0), 37375#(= main_~list~0.offset 0)] [2018-02-04 03:51:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:24,955 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:51:24,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:51:24,956 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:51:24,956 INFO L87 Difference]: Start difference. First operand 387 states and 427 transitions. Second operand 27 states. [2018-02-04 03:51:26,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:26,796 INFO L93 Difference]: Finished difference Result 483 states and 530 transitions. [2018-02-04 03:51:26,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:51:26,797 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 69 [2018-02-04 03:51:26,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:26,797 INFO L225 Difference]: With dead ends: 483 [2018-02-04 03:51:26,798 INFO L226 Difference]: Without dead ends: 483 [2018-02-04 03:51:26,798 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=747, Invalid=3675, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:51:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2018-02-04 03:51:26,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 421. [2018-02-04 03:51:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-02-04 03:51:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 466 transitions. [2018-02-04 03:51:26,800 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 466 transitions. Word has length 69 [2018-02-04 03:51:26,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:26,800 INFO L432 AbstractCegarLoop]: Abstraction has 421 states and 466 transitions. [2018-02-04 03:51:26,800 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:51:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 466 transitions. [2018-02-04 03:51:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:51:26,801 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:26,801 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:51:26,801 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:26,801 INFO L82 PathProgramCache]: Analyzing trace with hash 596883561, now seen corresponding path program 4 times [2018-02-04 03:51:26,801 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:26,809 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:27,439 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:27,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:51:27,469 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:27,470 INFO L182 omatonBuilderFactory]: Interpolants [38400#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 8 (select |#length| main_~end~0.base))), 38401#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= main_~list~0.offset |main_#t~mem6.offset|)), 38402#(and (or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 38403#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))))), 38404#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 38405#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 38406#(and (= 0 |main_#t~mem20.offset|) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))) (= 0 |main_#t~mem20.base|))), 38407#(and (= main_~end~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))) (= main_~end~0.base 0))), 38408#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 38409#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 38410#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 38383#true, 38384#false, 38385#(= |main_#t~malloc0.offset| 0), 38386#(= main_~list~0.offset 0), 38387#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 38388#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 38389#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 38390#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 38391#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= |main_#t~mem6.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 38392#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 38393#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 38394#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 38395#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 38396#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| |main_#t~mem6.base|))), 38397#(and (= main_~list~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 38398#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| main_~end~0.base))), 38399#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~malloc4.offset|) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:51:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:27,470 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:51:27,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:51:27,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=665, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:51:27,471 INFO L87 Difference]: Start difference. First operand 421 states and 466 transitions. Second operand 28 states. [2018-02-04 03:51:29,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:29,432 INFO L93 Difference]: Finished difference Result 491 states and 539 transitions. [2018-02-04 03:51:29,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:51:29,432 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 69 [2018-02-04 03:51:29,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:29,433 INFO L225 Difference]: With dead ends: 491 [2018-02-04 03:51:29,433 INFO L226 Difference]: Without dead ends: 491 [2018-02-04 03:51:29,434 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=634, Invalid=3398, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:51:29,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2018-02-04 03:51:29,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 423. [2018-02-04 03:51:29,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-02-04 03:51:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 468 transitions. [2018-02-04 03:51:29,436 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 468 transitions. Word has length 69 [2018-02-04 03:51:29,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:29,436 INFO L432 AbstractCegarLoop]: Abstraction has 423 states and 468 transitions. [2018-02-04 03:51:29,437 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:51:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 468 transitions. [2018-02-04 03:51:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:51:29,437 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:29,437 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:29,437 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:29,437 INFO L82 PathProgramCache]: Analyzing trace with hash 717212017, now seen corresponding path program 1 times [2018-02-04 03:51:29,438 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:29,443 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:51:29,585 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:29,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:51:29,585 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:29,585 INFO L182 omatonBuilderFactory]: Interpolants [39397#true, 39398#false, 39399#(= (select |#valid| main_~list~0.base) 1), 39400#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 39401#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (not (= |main_#t~malloc4.base| 0))), 39402#(and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 39403#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 39404#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0))), 39405#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 39406#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 39407#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) 0))), 39408#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 39409#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem13.base|))), 39410#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0))), 39411#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 39412#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)), 39413#(not (= |main_#t~mem20.base| 0)), 39414#(not (= main_~end~0.base 0))] [2018-02-04 03:51:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:51:29,585 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:51:29,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:51:29,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:51:29,586 INFO L87 Difference]: Start difference. First operand 423 states and 468 transitions. Second operand 18 states. [2018-02-04 03:51:30,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:30,105 INFO L93 Difference]: Finished difference Result 422 states and 465 transitions. [2018-02-04 03:51:30,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:51:30,105 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 69 [2018-02-04 03:51:30,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:30,106 INFO L225 Difference]: With dead ends: 422 [2018-02-04 03:51:30,106 INFO L226 Difference]: Without dead ends: 422 [2018-02-04 03:51:30,106 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=205, Invalid=787, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:51:30,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-02-04 03:51:30,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 416. [2018-02-04 03:51:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-02-04 03:51:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 459 transitions. [2018-02-04 03:51:30,109 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 459 transitions. Word has length 69 [2018-02-04 03:51:30,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:30,109 INFO L432 AbstractCegarLoop]: Abstraction has 416 states and 459 transitions. [2018-02-04 03:51:30,109 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:51:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 459 transitions. [2018-02-04 03:51:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:51:30,109 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:30,109 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:30,110 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:30,110 INFO L82 PathProgramCache]: Analyzing trace with hash -657849165, now seen corresponding path program 2 times [2018-02-04 03:51:30,110 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:30,115 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:30,574 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:30,574 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:51:30,574 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:30,574 INFO L182 omatonBuilderFactory]: Interpolants [40281#true, 40282#false, 40283#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 40284#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset)), 40285#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 40286#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 40287#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| main_~list~0.offset) (= main_~end~0.offset |main_#t~malloc4.offset|)), 40288#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) main_~list~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 40289#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem6.base|))), 40290#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 40291#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 40292#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 40293#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem13.base|))), 40294#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 40295#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 40296#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 40297#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) |main_#t~mem20.offset|))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.base|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) |main_#t~mem20.offset|) |main_#t~mem20.base|)), 40298#(and (or (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (not (= main_~end~0.base main_~list~0.base))) (not (= 0 main_~list~0.base)) (or (= main_~end~0.base main_~list~0.base) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 40299#(and (or (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (not (= main_~end~0.base main_~list~0.base))) (not (= 0 main_~list~0.base)) (or (= main_~end~0.base main_~list~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))))), 40300#(and (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 40301#(and (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))), 40302#(and (not (= 0 main_~list~0.base)) (or (not (= 0 |main_#t~mem20.base|)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 40303#(and (not (= 0 main_~list~0.base)) (or (not (= 0 main_~end~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 40304#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 40305#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem24.base|))), 40306#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 40307#(= 1 (select |#valid| main_~end~0.base)), 40308#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 03:51:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:30,574 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:51:30,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:51:30,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:51:30,575 INFO L87 Difference]: Start difference. First operand 416 states and 459 transitions. Second operand 28 states. [2018-02-04 03:51:31,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:31,911 INFO L93 Difference]: Finished difference Result 437 states and 481 transitions. [2018-02-04 03:51:31,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:51:31,911 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 69 [2018-02-04 03:51:31,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:31,912 INFO L225 Difference]: With dead ends: 437 [2018-02-04 03:51:31,912 INFO L226 Difference]: Without dead ends: 437 [2018-02-04 03:51:31,913 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=692, Invalid=3090, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 03:51:31,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-02-04 03:51:31,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2018-02-04 03:51:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-02-04 03:51:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 474 transitions. [2018-02-04 03:51:31,915 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 474 transitions. Word has length 69 [2018-02-04 03:51:31,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:31,915 INFO L432 AbstractCegarLoop]: Abstraction has 431 states and 474 transitions. [2018-02-04 03:51:31,915 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:51:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 474 transitions. [2018-02-04 03:51:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:51:31,915 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:31,916 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:51:31,916 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:31,916 INFO L82 PathProgramCache]: Analyzing trace with hash -392951250, now seen corresponding path program 5 times [2018-02-04 03:51:31,916 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:31,923 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:32,313 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:32,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:51:32,314 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:32,314 INFO L182 omatonBuilderFactory]: Interpolants [41245#true, 41246#false, 41247#(= (select |#valid| main_~list~0.base) 1), 41248#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 41249#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 41250#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 41251#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 41252#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 41253#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 41254#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 41255#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 41256#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 41257#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 41258#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 41259#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 41260#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 41261#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 41262#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 41263#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 41264#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 41265#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 41266#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 41267#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 41268#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 41269#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 41270#(= 1 (select |#valid| |main_#t~mem20.base|)), 41271#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:51:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:32,314 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:51:32,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:51:32,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:51:32,315 INFO L87 Difference]: Start difference. First operand 431 states and 474 transitions. Second operand 27 states. [2018-02-04 03:51:33,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:33,735 INFO L93 Difference]: Finished difference Result 528 states and 578 transitions. [2018-02-04 03:51:33,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:51:33,735 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 70 [2018-02-04 03:51:33,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:33,736 INFO L225 Difference]: With dead ends: 528 [2018-02-04 03:51:33,736 INFO L226 Difference]: Without dead ends: 528 [2018-02-04 03:51:33,736 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=311, Invalid=2445, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:51:33,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-02-04 03:51:33,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 463. [2018-02-04 03:51:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-02-04 03:51:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 512 transitions. [2018-02-04 03:51:33,739 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 512 transitions. Word has length 70 [2018-02-04 03:51:33,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:33,740 INFO L432 AbstractCegarLoop]: Abstraction has 463 states and 512 transitions. [2018-02-04 03:51:33,740 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:51:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 512 transitions. [2018-02-04 03:51:33,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:51:33,740 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:33,740 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:51:33,740 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:33,740 INFO L82 PathProgramCache]: Analyzing trace with hash -392951249, now seen corresponding path program 5 times [2018-02-04 03:51:33,741 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:33,749 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:34,376 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:34,376 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:51:34,376 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:34,377 INFO L182 omatonBuilderFactory]: Interpolants [42315#true, 42316#false, 42317#(= |main_#t~malloc0.offset| 0), 42318#(= main_~list~0.offset 0), 42319#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 42320#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 42321#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 42322#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 42323#(and (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 42324#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 42325#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 42326#(and (= main_~list~0.offset 0) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 42327#(and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 42328#(and (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem6.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 42329#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 42330#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 42331#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~list~0.offset |main_#t~malloc11.offset|)), 42332#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 42333#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|)) (= main_~list~0.offset |main_#t~mem13.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)))), 42334#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 42335#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 42336#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))))), 42337#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0))))), 42338#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 42339#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.offset 0) (= main_~end~0.base 0))), 42340#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 42341#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 42342#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 42343#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 42344#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 42345#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:51:34,377 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:34,377 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:51:34,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:51:34,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:51:34,377 INFO L87 Difference]: Start difference. First operand 463 states and 512 transitions. Second operand 31 states. [2018-02-04 03:51:36,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:36,860 INFO L93 Difference]: Finished difference Result 542 states and 594 transitions. [2018-02-04 03:51:36,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:51:36,860 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 70 [2018-02-04 03:51:36,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:36,861 INFO L225 Difference]: With dead ends: 542 [2018-02-04 03:51:36,861 INFO L226 Difference]: Without dead ends: 542 [2018-02-04 03:51:36,862 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=568, Invalid=4124, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 03:51:36,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-02-04 03:51:36,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 462. [2018-02-04 03:51:36,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-02-04 03:51:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 510 transitions. [2018-02-04 03:51:36,865 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 510 transitions. Word has length 70 [2018-02-04 03:51:36,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:36,865 INFO L432 AbstractCegarLoop]: Abstraction has 462 states and 510 transitions. [2018-02-04 03:51:36,865 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:51:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 510 transitions. [2018-02-04 03:51:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:51:36,866 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:36,866 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:51:36,866 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:36,866 INFO L82 PathProgramCache]: Analyzing trace with hash 899003520, now seen corresponding path program 6 times [2018-02-04 03:51:36,867 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:36,875 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:37,447 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:37,447 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:51:37,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:37,448 INFO L182 omatonBuilderFactory]: Interpolants [43426#true, 43427#false, 43428#(= (select |#valid| main_~list~0.base) 1), 43429#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 43430#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 43431#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 43432#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 43433#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 43434#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 43435#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 43436#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 43437#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 43438#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 43439#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 43440#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 43441#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 43442#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 43443#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 43444#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 43445#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 43446#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 43447#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 43448#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 43449#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 43450#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 43451#(= 1 (select |#valid| |main_#t~mem20.base|)), 43452#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:51:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:37,448 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:51:37,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:51:37,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:51:37,449 INFO L87 Difference]: Start difference. First operand 462 states and 510 transitions. Second operand 27 states. [2018-02-04 03:51:38,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:38,896 INFO L93 Difference]: Finished difference Result 534 states and 586 transitions. [2018-02-04 03:51:38,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:51:38,897 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 70 [2018-02-04 03:51:38,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:38,898 INFO L225 Difference]: With dead ends: 534 [2018-02-04 03:51:38,898 INFO L226 Difference]: Without dead ends: 534 [2018-02-04 03:51:38,898 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=311, Invalid=2445, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:51:38,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2018-02-04 03:51:38,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 469. [2018-02-04 03:51:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-02-04 03:51:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 520 transitions. [2018-02-04 03:51:38,901 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 520 transitions. Word has length 70 [2018-02-04 03:51:38,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:38,901 INFO L432 AbstractCegarLoop]: Abstraction has 469 states and 520 transitions. [2018-02-04 03:51:38,901 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:51:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 520 transitions. [2018-02-04 03:51:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:51:38,901 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:38,901 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:51:38,901 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:38,901 INFO L82 PathProgramCache]: Analyzing trace with hash 899003521, now seen corresponding path program 6 times [2018-02-04 03:51:38,902 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:38,909 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:39,363 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:39,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:51:39,363 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:39,363 INFO L182 omatonBuilderFactory]: Interpolants [44508#true, 44509#false, 44510#(= (select |#valid| main_~list~0.base) 1), 44511#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 44512#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 44513#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 44514#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 44515#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 44516#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 44517#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 44518#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 44519#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 44520#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 44521#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 44522#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 44523#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 44524#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 44525#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))))), 44526#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 44527#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 44528#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 44529#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 44530#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 44531#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 44532#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 44533#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0))] [2018-02-04 03:51:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:39,364 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:51:39,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:51:39,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:51:39,364 INFO L87 Difference]: Start difference. First operand 469 states and 520 transitions. Second operand 26 states. [2018-02-04 03:51:40,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:40,881 INFO L93 Difference]: Finished difference Result 540 states and 593 transitions. [2018-02-04 03:51:40,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:51:40,881 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 70 [2018-02-04 03:51:40,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:40,882 INFO L225 Difference]: With dead ends: 540 [2018-02-04 03:51:40,882 INFO L226 Difference]: Without dead ends: 540 [2018-02-04 03:51:40,883 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=202, Invalid=1690, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:51:40,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-02-04 03:51:40,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 437. [2018-02-04 03:51:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-02-04 03:51:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 482 transitions. [2018-02-04 03:51:40,885 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 482 transitions. Word has length 70 [2018-02-04 03:51:40,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:40,885 INFO L432 AbstractCegarLoop]: Abstraction has 437 states and 482 transitions. [2018-02-04 03:51:40,885 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:51:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 482 transitions. [2018-02-04 03:51:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:51:40,886 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:40,886 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:40,886 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:40,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1256186783, now seen corresponding path program 5 times [2018-02-04 03:51:40,886 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:40,901 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:41,392 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:41,392 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:51:41,392 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:41,393 INFO L182 omatonBuilderFactory]: Interpolants [45568#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 45569#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 45570#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 45571#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 45572#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 45573#(= 1 (select |#valid| |main_#t~mem20.base|)), 45574#(= 1 (select |#valid| main_~end~0.base)), 45547#true, 45548#false, 45549#(= (select |#valid| main_~list~0.base) 1), 45550#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 45551#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 45552#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 45553#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 45554#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 45555#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45556#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 45557#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45558#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 45559#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 45560#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 45561#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 45562#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 45563#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 45564#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))) (= |main_#t~malloc11.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))))), 45565#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 45566#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 45567#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))))] [2018-02-04 03:51:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:41,393 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:51:41,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:51:41,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:51:41,393 INFO L87 Difference]: Start difference. First operand 437 states and 482 transitions. Second operand 28 states. [2018-02-04 03:51:42,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:42,666 INFO L93 Difference]: Finished difference Result 561 states and 617 transitions. [2018-02-04 03:51:42,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:51:42,666 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 70 [2018-02-04 03:51:42,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:42,667 INFO L225 Difference]: With dead ends: 561 [2018-02-04 03:51:42,667 INFO L226 Difference]: Without dead ends: 561 [2018-02-04 03:51:42,668 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=353, Invalid=2097, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 03:51:42,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-02-04 03:51:42,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 470. [2018-02-04 03:51:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-02-04 03:51:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 519 transitions. [2018-02-04 03:51:42,670 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 519 transitions. Word has length 70 [2018-02-04 03:51:42,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:42,670 INFO L432 AbstractCegarLoop]: Abstraction has 470 states and 519 transitions. [2018-02-04 03:51:42,670 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:51:42,670 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 519 transitions. [2018-02-04 03:51:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:51:42,671 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:42,671 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:42,671 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:42,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1256186782, now seen corresponding path program 4 times [2018-02-04 03:51:42,672 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:42,681 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:43,432 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:43,432 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:51:43,432 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:43,433 INFO L182 omatonBuilderFactory]: Interpolants [46656#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 46657#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 46658#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 46659#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 46660#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 46661#(and (= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~malloc11.base|))), 46662#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 46663#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem13.base|) (= 8 (select |#length| |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 46664#(and (= main_~list~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 46665#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 46666#(and (= main_~list~0.offset 0) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| main_~end~0.base))), 46667#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 46668#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) 1) (= (select |#valid| main_~list~0.base) 1)), 46669#(and (= main_~list~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) 1) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 46670#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= main_~list~0.offset |main_#t~malloc11.offset|)), 46671#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 46672#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= main_~list~0.offset |main_#t~mem13.offset|) (not (= main_~list~0.base |main_#t~mem13.base|))), 46673#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))), 46674#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 46675#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 46676#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 46677#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0)), 46678#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 46679#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 46680#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 46650#true, 46651#false, 46652#(= |main_#t~malloc0.offset| 0), 46653#(= main_~list~0.offset 0), 46654#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 46655#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1))] [2018-02-04 03:51:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:43,433 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:51:43,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:51:43,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:51:43,433 INFO L87 Difference]: Start difference. First operand 470 states and 519 transitions. Second operand 31 states. [2018-02-04 03:51:45,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:45,454 INFO L93 Difference]: Finished difference Result 564 states and 621 transitions. [2018-02-04 03:51:45,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:51:45,454 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 70 [2018-02-04 03:51:45,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:45,455 INFO L225 Difference]: With dead ends: 564 [2018-02-04 03:51:45,455 INFO L226 Difference]: Without dead ends: 564 [2018-02-04 03:51:45,455 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=508, Invalid=2914, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:51:45,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-02-04 03:51:45,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 469. [2018-02-04 03:51:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-02-04 03:51:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 517 transitions. [2018-02-04 03:51:45,458 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 517 transitions. Word has length 70 [2018-02-04 03:51:45,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:45,458 INFO L432 AbstractCegarLoop]: Abstraction has 469 states and 517 transitions. [2018-02-04 03:51:45,458 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:51:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 517 transitions. [2018-02-04 03:51:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:51:45,459 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:45,459 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:51:45,459 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:45,459 INFO L82 PathProgramCache]: Analyzing trace with hash 447996684, now seen corresponding path program 4 times [2018-02-04 03:51:45,459 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:45,467 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:45,964 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:45,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:51:45,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:45,965 INFO L182 omatonBuilderFactory]: Interpolants [47770#true, 47771#false, 47772#(= |main_#t~malloc0.offset| 0), 47773#(= main_~list~0.offset 0), 47774#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 47775#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 47776#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 47777#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 47778#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= |main_#t~mem6.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 47779#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 47780#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 47781#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 47782#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 47783#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 47784#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 47785#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~malloc4.offset|) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 47786#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 47787#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= main_~list~0.offset |main_#t~mem6.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 47788#(and (or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (and (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 47789#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))))), 47790#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 47791#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 47792#(and (= 0 |main_#t~mem20.offset|) (or (= 0 |main_#t~mem20.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))))), 47793#(and (= main_~end~0.offset 0) (or (= main_~end~0.base 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))))), 47794#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 47795#(= 1 (select |#valid| |main_#t~mem18.base|)), 47796#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:51:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:45,965 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:51:45,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:51:45,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:51:45,965 INFO L87 Difference]: Start difference. First operand 469 states and 517 transitions. Second operand 27 states. [2018-02-04 03:51:47,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:47,715 INFO L93 Difference]: Finished difference Result 537 states and 588 transitions. [2018-02-04 03:51:47,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:51:47,715 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 71 [2018-02-04 03:51:47,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:47,716 INFO L225 Difference]: With dead ends: 537 [2018-02-04 03:51:47,716 INFO L226 Difference]: Without dead ends: 537 [2018-02-04 03:51:47,717 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=724, Invalid=3566, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 03:51:47,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-02-04 03:51:47,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 476. [2018-02-04 03:51:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2018-02-04 03:51:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 525 transitions. [2018-02-04 03:51:47,719 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 525 transitions. Word has length 71 [2018-02-04 03:51:47,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:47,719 INFO L432 AbstractCegarLoop]: Abstraction has 476 states and 525 transitions. [2018-02-04 03:51:47,719 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:51:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 525 transitions. [2018-02-04 03:51:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:51:47,720 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:47,720 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:51:47,720 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:47,720 INFO L82 PathProgramCache]: Analyzing trace with hash 447996685, now seen corresponding path program 2 times [2018-02-04 03:51:47,721 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:47,728 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:48,310 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:48,310 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:51:48,310 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:48,311 INFO L182 omatonBuilderFactory]: Interpolants [48896#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= |main_#t~mem6.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 48897#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 48898#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 48899#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 48900#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 48901#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| |main_#t~mem6.base|))), 48902#(and (= main_~list~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 48903#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| main_~end~0.base))), 48904#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~malloc4.offset|) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| main_~end~0.base))), 48905#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 8 (select |#length| main_~end~0.base))), 48906#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= main_~list~0.offset |main_#t~mem6.offset|)), 48907#(and (or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 48908#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))))), 48909#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 48910#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 48911#(and (= 0 |main_#t~mem20.offset|) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))) (= 0 |main_#t~mem20.base|))), 48912#(and (= main_~end~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))) (= main_~end~0.base 0))), 48913#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 48914#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 48915#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 48888#true, 48889#false, 48890#(= |main_#t~malloc0.offset| 0), 48891#(= main_~list~0.offset 0), 48892#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 48893#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 48894#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 48895#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))] [2018-02-04 03:51:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:48,311 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:51:48,311 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:51:48,311 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=665, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:51:48,311 INFO L87 Difference]: Start difference. First operand 476 states and 525 transitions. Second operand 28 states. [2018-02-04 03:51:50,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:50,317 INFO L93 Difference]: Finished difference Result 544 states and 595 transitions. [2018-02-04 03:51:50,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:51:50,317 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 71 [2018-02-04 03:51:50,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:50,319 INFO L225 Difference]: With dead ends: 544 [2018-02-04 03:51:50,319 INFO L226 Difference]: Without dead ends: 544 [2018-02-04 03:51:50,319 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=619, Invalid=3287, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:51:50,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2018-02-04 03:51:50,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 478. [2018-02-04 03:51:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-02-04 03:51:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 526 transitions. [2018-02-04 03:51:50,322 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 526 transitions. Word has length 71 [2018-02-04 03:51:50,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:50,322 INFO L432 AbstractCegarLoop]: Abstraction has 478 states and 526 transitions. [2018-02-04 03:51:50,322 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:51:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 526 transitions. [2018-02-04 03:51:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 03:51:50,323 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:50,323 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:50,323 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:50,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1751565567, now seen corresponding path program 1 times [2018-02-04 03:51:50,323 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:50,328 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:51:50,447 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:50,447 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:51:50,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:50,448 INFO L182 omatonBuilderFactory]: Interpolants [50016#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 50017#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 50018#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|))), 50019#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 50020#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 50021#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 50022#(= 0 |main_#t~mem24.offset|), 50023#(= 0 main_~end~0.offset), 50024#(= main_~list~0.offset 0), 50008#true, 50009#false, 50010#(= (select |#valid| main_~list~0.base) 1), 50011#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 50012#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|)), 50013#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 50014#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 50015#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 03:51:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:51:50,448 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:51:50,448 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:51:50,448 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:51:50,448 INFO L87 Difference]: Start difference. First operand 478 states and 526 transitions. Second operand 17 states. [2018-02-04 03:51:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:50,862 INFO L93 Difference]: Finished difference Result 517 states and 562 transitions. [2018-02-04 03:51:50,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:51:50,863 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 72 [2018-02-04 03:51:50,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:50,864 INFO L225 Difference]: With dead ends: 517 [2018-02-04 03:51:50,864 INFO L226 Difference]: Without dead ends: 517 [2018-02-04 03:51:50,864 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:51:50,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-02-04 03:51:50,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 465. [2018-02-04 03:51:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 03:51:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 514 transitions. [2018-02-04 03:51:50,867 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 514 transitions. Word has length 72 [2018-02-04 03:51:50,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:50,867 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 514 transitions. [2018-02-04 03:51:50,867 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:51:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 514 transitions. [2018-02-04 03:51:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 03:51:50,868 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:50,868 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:50,868 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:50,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1595483310, now seen corresponding path program 3 times [2018-02-04 03:51:50,868 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:50,877 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:51,313 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:51,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:51:51,313 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:51,314 INFO L182 omatonBuilderFactory]: Interpolants [51037#true, 51038#false, 51039#(= (select |#valid| main_~list~0.base) 1), 51040#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 51041#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 51042#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 51043#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 51044#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 51045#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 51046#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 51047#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 51048#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 51049#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 51050#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 51051#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 51052#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 51053#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 51054#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 51055#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 51056#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 51057#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 51058#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 51059#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 51060#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 51061#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 51062#(= 1 (select |#valid| |main_#t~mem18.base|)), 51063#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:51:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:51,314 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:51:51,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:51:51,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:51:51,314 INFO L87 Difference]: Start difference. First operand 465 states and 514 transitions. Second operand 27 states. [2018-02-04 03:51:52,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:52,700 INFO L93 Difference]: Finished difference Result 557 states and 614 transitions. [2018-02-04 03:51:52,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:51:52,700 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 72 [2018-02-04 03:51:52,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:52,701 INFO L225 Difference]: With dead ends: 557 [2018-02-04 03:51:52,701 INFO L226 Difference]: Without dead ends: 557 [2018-02-04 03:51:52,701 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=320, Invalid=2542, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 03:51:52,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-02-04 03:51:52,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 499. [2018-02-04 03:51:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-02-04 03:51:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 553 transitions. [2018-02-04 03:51:52,704 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 553 transitions. Word has length 72 [2018-02-04 03:51:52,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:52,704 INFO L432 AbstractCegarLoop]: Abstraction has 499 states and 553 transitions. [2018-02-04 03:51:52,704 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:51:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 553 transitions. [2018-02-04 03:51:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 03:51:52,704 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:52,704 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:52,704 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:52,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1595483309, now seen corresponding path program 3 times [2018-02-04 03:51:52,705 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:52,713 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:53,428 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:53,428 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:51:53,428 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:53,429 INFO L182 omatonBuilderFactory]: Interpolants [52174#true, 52175#false, 52176#(= |main_#t~malloc0.offset| 0), 52177#(= main_~list~0.offset 0), 52178#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 52179#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 52180#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 52181#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 52182#(and (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 52183#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 52184#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 52185#(and (= main_~list~0.offset 0) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 52186#(and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 52187#(and (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem6.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 52188#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 52189#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 52190#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~list~0.offset |main_#t~malloc11.offset|)), 52191#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 52192#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|)) (= main_~list~0.offset |main_#t~mem13.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)))), 52193#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 52194#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 52195#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))))), 52196#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0))))), 52197#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 52198#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.offset 0) (= main_~end~0.base 0))), 52199#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 52200#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 52201#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 52202#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 52203#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 52204#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:51:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:53,429 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:51:53,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:51:53,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:51:53,429 INFO L87 Difference]: Start difference. First operand 499 states and 553 transitions. Second operand 31 states. [2018-02-04 03:51:55,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:55,573 INFO L93 Difference]: Finished difference Result 576 states and 634 transitions. [2018-02-04 03:51:55,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:51:55,574 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 72 [2018-02-04 03:51:55,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:55,575 INFO L225 Difference]: With dead ends: 576 [2018-02-04 03:51:55,575 INFO L226 Difference]: Without dead ends: 576 [2018-02-04 03:51:55,575 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=553, Invalid=4003, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 03:51:55,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2018-02-04 03:51:55,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 492. [2018-02-04 03:51:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2018-02-04 03:51:55,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 545 transitions. [2018-02-04 03:51:55,578 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 545 transitions. Word has length 72 [2018-02-04 03:51:55,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:55,578 INFO L432 AbstractCegarLoop]: Abstraction has 492 states and 545 transitions. [2018-02-04 03:51:55,578 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:51:55,578 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 545 transitions. [2018-02-04 03:51:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 03:51:55,579 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:55,579 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:55,579 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:55,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1578426093, now seen corresponding path program 1 times [2018-02-04 03:51:55,579 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:55,584 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:56,172 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:56,172 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:51:56,173 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:56,173 INFO L182 omatonBuilderFactory]: Interpolants [53347#true, 53348#false, 53349#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 53350#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset)), 53351#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 53352#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 53353#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc4.offset|)), 53354#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 53355#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem6.base|))), 53356#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 53357#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))), 53358#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset)), 53359#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem13.base|))), 53360#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 53361#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset)), 53362#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 53363#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) |main_#t~mem20.base|)), 53364#(and (not (= 0 main_~list~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base))) (or (= main_~end~0.base main_~list~0.base) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 53365#(and (or (= main_~end~0.base main_~list~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1))) (not (= 0 main_~list~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)))), 53366#(and (not (= 0 main_~list~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) 0))) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 53367#(and (not (= 0 main_~list~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 53368#(and (not (= 0 main_~list~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= 0 |main_#t~mem20.base|))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 53369#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= 0 main_~end~0.base))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (not (= 0 main_~list~0.base))), 53370#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 53371#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem24.base|))), 53372#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 53373#(= 1 (select |#valid| main_~end~0.base)), 53374#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 03:51:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:56,173 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:51:56,173 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:51:56,173 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=660, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:51:56,173 INFO L87 Difference]: Start difference. First operand 492 states and 545 transitions. Second operand 28 states. [2018-02-04 03:51:57,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:57,614 INFO L93 Difference]: Finished difference Result 511 states and 564 transitions. [2018-02-04 03:51:57,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:51:57,614 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 72 [2018-02-04 03:51:57,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:57,615 INFO L225 Difference]: With dead ends: 511 [2018-02-04 03:51:57,615 INFO L226 Difference]: Without dead ends: 511 [2018-02-04 03:51:57,615 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=730, Invalid=3176, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:51:57,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-02-04 03:51:57,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 468. [2018-02-04 03:51:57,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-02-04 03:51:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 520 transitions. [2018-02-04 03:51:57,618 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 520 transitions. Word has length 72 [2018-02-04 03:51:57,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:57,618 INFO L432 AbstractCegarLoop]: Abstraction has 468 states and 520 transitions. [2018-02-04 03:51:57,618 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:51:57,618 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 520 transitions. [2018-02-04 03:51:57,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 03:51:57,618 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:57,618 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:57,618 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:57,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1272497884, now seen corresponding path program 4 times [2018-02-04 03:51:57,619 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:57,626 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:58,050 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:58,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:51:58,050 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:58,050 INFO L182 omatonBuilderFactory]: Interpolants [54424#true, 54425#false, 54426#(= (select |#valid| main_~list~0.base) 1), 54427#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 54428#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 54429#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 54430#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 54431#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 54432#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 54433#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 54434#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 54435#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 54436#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 54437#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 54438#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 54439#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 54440#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 54441#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 54442#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 54443#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 54444#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 54445#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 54446#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 54447#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 54448#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 54449#(= 1 (select |#valid| |main_#t~mem18.base|)), 54450#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:51:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:58,051 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:51:58,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:51:58,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:51:58,051 INFO L87 Difference]: Start difference. First operand 468 states and 520 transitions. Second operand 27 states. [2018-02-04 03:51:59,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:51:59,443 INFO L93 Difference]: Finished difference Result 540 states and 596 transitions. [2018-02-04 03:51:59,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:51:59,443 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 72 [2018-02-04 03:51:59,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:51:59,444 INFO L225 Difference]: With dead ends: 540 [2018-02-04 03:51:59,444 INFO L226 Difference]: Without dead ends: 540 [2018-02-04 03:51:59,444 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=320, Invalid=2542, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 03:51:59,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-02-04 03:51:59,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 475. [2018-02-04 03:51:59,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2018-02-04 03:51:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 528 transitions. [2018-02-04 03:51:59,447 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 528 transitions. Word has length 72 [2018-02-04 03:51:59,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:51:59,447 INFO L432 AbstractCegarLoop]: Abstraction has 475 states and 528 transitions. [2018-02-04 03:51:59,447 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:51:59,447 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 528 transitions. [2018-02-04 03:51:59,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 03:51:59,448 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:51:59,448 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:51:59,448 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:51:59,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1272497883, now seen corresponding path program 4 times [2018-02-04 03:51:59,448 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:51:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:51:59,459 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:51:59,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:59,983 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:51:59,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:51:59,983 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:51:59,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:59,984 INFO L182 omatonBuilderFactory]: Interpolants [55520#true, 55521#false, 55522#(= (select |#valid| main_~list~0.base) 1), 55523#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 55524#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 55525#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 55526#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 55527#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 55528#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 55529#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 55530#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 55531#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 55532#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 55533#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 55534#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 55535#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 55536#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 55537#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))))), 55538#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 55539#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 55540#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 55541#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 55542#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 55543#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 55544#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 55545#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0))] [2018-02-04 03:51:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:51:59,984 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:51:59,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:51:59,984 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:51:59,984 INFO L87 Difference]: Start difference. First operand 475 states and 528 transitions. Second operand 26 states. [2018-02-04 03:52:01,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:01,435 INFO L93 Difference]: Finished difference Result 538 states and 594 transitions. [2018-02-04 03:52:01,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:52:01,435 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 72 [2018-02-04 03:52:01,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:01,436 INFO L225 Difference]: With dead ends: 538 [2018-02-04 03:52:01,436 INFO L226 Difference]: Without dead ends: 538 [2018-02-04 03:52:01,437 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=202, Invalid=1690, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:52:01,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2018-02-04 03:52:01,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 441. [2018-02-04 03:52:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-02-04 03:52:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 489 transitions. [2018-02-04 03:52:01,439 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 489 transitions. Word has length 72 [2018-02-04 03:52:01,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:01,439 INFO L432 AbstractCegarLoop]: Abstraction has 441 states and 489 transitions. [2018-02-04 03:52:01,439 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:52:01,439 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 489 transitions. [2018-02-04 03:52:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 03:52:01,440 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:01,440 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:01,440 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:01,440 INFO L82 PathProgramCache]: Analyzing trace with hash 2058824901, now seen corresponding path program 3 times [2018-02-04 03:52:01,441 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:01,451 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:01,992 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:01,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:52:01,992 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:01,993 INFO L182 omatonBuilderFactory]: Interpolants [56576#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 56577#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 56578#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))) (= |main_#t~malloc11.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))))), 56579#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 56580#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 56581#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 56582#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 56583#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 56584#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 56585#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 56586#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 56587#(= 1 (select |#valid| |main_#t~mem18.base|)), 56588#(= 1 (select |#valid| main_~end~0.base)), 56561#true, 56562#false, 56563#(= (select |#valid| main_~list~0.base) 1), 56564#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 56565#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 56566#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 56567#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 56568#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 56569#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 56570#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 56571#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 56572#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 56573#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 56574#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 56575#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 03:52:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:01,993 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:52:01,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:52:01,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:52:01,993 INFO L87 Difference]: Start difference. First operand 441 states and 489 transitions. Second operand 28 states. [2018-02-04 03:52:03,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:03,395 INFO L93 Difference]: Finished difference Result 566 states and 622 transitions. [2018-02-04 03:52:03,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:52:03,395 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 72 [2018-02-04 03:52:03,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:03,396 INFO L225 Difference]: With dead ends: 566 [2018-02-04 03:52:03,396 INFO L226 Difference]: Without dead ends: 566 [2018-02-04 03:52:03,396 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=361, Invalid=2189, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 03:52:03,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2018-02-04 03:52:03,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 448. [2018-02-04 03:52:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-02-04 03:52:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 497 transitions. [2018-02-04 03:52:03,399 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 497 transitions. Word has length 72 [2018-02-04 03:52:03,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:03,399 INFO L432 AbstractCegarLoop]: Abstraction has 448 states and 497 transitions. [2018-02-04 03:52:03,399 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:52:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 497 transitions. [2018-02-04 03:52:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 03:52:03,399 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:03,400 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] [2018-02-04 03:52:03,400 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:03,400 INFO L82 PathProgramCache]: Analyzing trace with hash 2058824902, now seen corresponding path program 2 times [2018-02-04 03:52:03,400 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:03,409 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:04,102 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:04,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:52:04,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:04,103 INFO L182 omatonBuilderFactory]: Interpolants [57664#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 57665#(and (= main_~list~0.offset 0) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| main_~end~0.base))), 57666#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 57667#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) 1) (= (select |#valid| main_~list~0.base) 1)), 57668#(and (= main_~list~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) 1) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 57669#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= main_~list~0.offset |main_#t~malloc11.offset|)), 57670#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 57671#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= main_~list~0.offset |main_#t~mem13.offset|) (not (= main_~list~0.base |main_#t~mem13.base|))), 57672#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))), 57673#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 57674#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 57675#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 57676#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0)), 57677#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 57678#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 57679#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 57649#true, 57650#false, 57651#(= |main_#t~malloc0.offset| 0), 57652#(= main_~list~0.offset 0), 57653#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 57654#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 57655#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 57656#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 57657#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 57658#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 57659#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 57660#(and (= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~malloc11.base|))), 57661#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 57662#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem13.base|) (= 8 (select |#length| |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 57663#(and (= main_~list~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:52:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:04,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:52:04,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:52:04,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:52:04,103 INFO L87 Difference]: Start difference. First operand 448 states and 497 transitions. Second operand 31 states. [2018-02-04 03:52:06,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:06,043 INFO L93 Difference]: Finished difference Result 573 states and 629 transitions. [2018-02-04 03:52:06,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:52:06,043 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 72 [2018-02-04 03:52:06,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:06,045 INFO L225 Difference]: With dead ends: 573 [2018-02-04 03:52:06,045 INFO L226 Difference]: Without dead ends: 573 [2018-02-04 03:52:06,045 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=508, Invalid=2914, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:52:06,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-02-04 03:52:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 441. [2018-02-04 03:52:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-02-04 03:52:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 489 transitions. [2018-02-04 03:52:06,049 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 489 transitions. Word has length 72 [2018-02-04 03:52:06,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:06,050 INFO L432 AbstractCegarLoop]: Abstraction has 441 states and 489 transitions. [2018-02-04 03:52:06,050 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:52:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 489 transitions. [2018-02-04 03:52:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:52:06,050 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:06,051 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:06,051 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:06,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1536042430, now seen corresponding path program 2 times [2018-02-04 03:52:06,052 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:06,057 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:06,709 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:06,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:52:06,710 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:06,710 INFO L182 omatonBuilderFactory]: Interpolants [58752#(= (select |#valid| 0) 0), 58753#(and (not (= 0 |main_#t~malloc0.base|)) (= (select |#valid| 0) 0)), 58754#(and (not (= 0 main_~list~0.base)) (= (select |#valid| 0) 0)), 58755#(and (= 1 (select |#valid| main_~list~0.base)) (= (select |#valid| 0) 0)), 58756#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= 1 (select |#valid| main_~end~0.base))), 58757#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= 0 |main_#t~malloc4.offset|)), 58758#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 58759#(and (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= (select |#valid| 0) 0) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|))), 58760#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (= (select |#valid| 0) 0)) (= 1 (select |#valid| 0)))), 58761#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (= (select |#valid| main_~end~0.base) 1)) (= 1 (select |#valid| 0)))), 58762#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (not (= |main_#t~malloc4.base| 0)) (or (= 1 (select |#valid| 0)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))))), 58763#(and (or (= 1 (select |#valid| 0)) (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0)))) (not (= 0 main_~list~0.base))), 58764#(and (not (= 0 main_~list~0.base)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0))) (= 1 (select |#valid| 0)))), 58765#(and (not (= 0 main_~list~0.base)) (or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0) 0))) (= 1 (select |#valid| 0)))), 58766#(and (or (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0))) (not (= 0 main_~list~0.base))), 58767#(and (not (= 0 main_~list~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0) 0))) (= 1 (select |#valid| 0)))), 58768#(and (not (= 0 main_~list~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) 0)) (= 1 (select |#valid| 0))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 58769#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 58770#(and (not (= 0 main_~list~0.base)) (or (not (= |main_#t~mem20.base| 0)) (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem20.base|)), 58771#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base 0)) (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)), 58772#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 58773#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|)) (or (not (= 0 |main_#t~mem24.offset|)) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))), 58774#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (not (= 0 main_~end~0.offset)))), 58775#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select |#valid| 0)) (not (= 0 main_~end~0.offset)))), 58776#(and (or (not (= 0 main_~list~0.offset)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 58777#(or (not (= main_~list~0.offset 0)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 58778#(or (and (= 0 |main_#t~mem22.base|) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= main_~list~0.offset 0))), 58779#(or (not (= main_~list~0.offset 0)) (and (= 0 main_~end~0.base) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))), 58780#(= 1 (select |#valid| main_~end~0.base)), 58750#true, 58751#false] [2018-02-04 03:52:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:06,710 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:52:06,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:52:06,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:52:06,711 INFO L87 Difference]: Start difference. First operand 441 states and 489 transitions. Second operand 31 states. [2018-02-04 03:52:08,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:08,340 INFO L93 Difference]: Finished difference Result 484 states and 531 transitions. [2018-02-04 03:52:08,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:52:08,340 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 73 [2018-02-04 03:52:08,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:08,342 INFO L225 Difference]: With dead ends: 484 [2018-02-04 03:52:08,342 INFO L226 Difference]: Without dead ends: 466 [2018-02-04 03:52:08,342 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=562, Invalid=3598, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:52:08,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2018-02-04 03:52:08,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 419. [2018-02-04 03:52:08,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-02-04 03:52:08,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 465 transitions. [2018-02-04 03:52:08,346 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 465 transitions. Word has length 73 [2018-02-04 03:52:08,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:08,346 INFO L432 AbstractCegarLoop]: Abstraction has 419 states and 465 transitions. [2018-02-04 03:52:08,346 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:52:08,346 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 465 transitions. [2018-02-04 03:52:08,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:52:08,347 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:08,347 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:08,347 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:08,347 INFO L82 PathProgramCache]: Analyzing trace with hash -545252138, now seen corresponding path program 1 times [2018-02-04 03:52:08,348 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:08,355 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:08,817 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 03:52:08,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:08,817 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:52:08,817 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:08,818 INFO L182 omatonBuilderFactory]: Interpolants [59776#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 59777#(= 1 (select |#valid| |main_#t~mem20.base|)), 59778#(= 1 (select |#valid| main_~end~0.base)), 59752#true, 59753#false, 59754#(= (select |#valid| main_~list~0.base) 1), 59755#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 59756#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 59757#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 59758#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 59759#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 59760#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 59761#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 59762#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 59763#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 59764#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 59765#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 59766#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 59767#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 59768#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 59769#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 59770#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 59771#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 59772#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 59773#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 59774#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 59775#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)))] [2018-02-04 03:52:08,818 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 03:52:08,818 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:52:08,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:52:08,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:52:08,818 INFO L87 Difference]: Start difference. First operand 419 states and 465 transitions. Second operand 27 states. [2018-02-04 03:52:10,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:10,130 INFO L93 Difference]: Finished difference Result 541 states and 596 transitions. [2018-02-04 03:52:10,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:52:10,130 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 03:52:10,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:10,131 INFO L225 Difference]: With dead ends: 541 [2018-02-04 03:52:10,131 INFO L226 Difference]: Without dead ends: 541 [2018-02-04 03:52:10,131 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=290, Invalid=2260, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 03:52:10,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-02-04 03:52:10,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 454. [2018-02-04 03:52:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2018-02-04 03:52:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 504 transitions. [2018-02-04 03:52:10,136 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 504 transitions. Word has length 73 [2018-02-04 03:52:10,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:10,136 INFO L432 AbstractCegarLoop]: Abstraction has 454 states and 504 transitions. [2018-02-04 03:52:10,136 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:52:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 504 transitions. [2018-02-04 03:52:10,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:52:10,137 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:10,137 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:10,137 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:10,137 INFO L82 PathProgramCache]: Analyzing trace with hash -545252137, now seen corresponding path program 1 times [2018-02-04 03:52:10,138 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:10,147 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:10,771 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 03:52:10,771 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:10,771 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:52:10,771 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:10,772 INFO L182 omatonBuilderFactory]: Interpolants [60822#true, 60823#false, 60824#(= |main_#t~malloc0.offset| 0), 60825#(= main_~list~0.offset 0), 60826#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 60827#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 60828#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 60829#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 60830#(and (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 60831#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 60832#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 60833#(and (= main_~list~0.offset 0) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 60834#(and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 60835#(and (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem6.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 60836#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 60837#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 60838#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~list~0.offset |main_#t~malloc11.offset|)), 60839#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 60840#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|)) (= main_~list~0.offset |main_#t~mem13.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)))), 60841#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 60842#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 60843#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))))), 60844#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0))))), 60845#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 60846#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.offset 0) (= main_~end~0.base 0))), 60847#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 60848#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) 0))) (= 0 |main_#t~mem18.offset|)), 60849#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 60850#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 60851#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 60852#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:52:10,772 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 03:52:10,772 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:52:10,772 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:52:10,772 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:52:10,773 INFO L87 Difference]: Start difference. First operand 454 states and 504 transitions. Second operand 31 states. [2018-02-04 03:52:13,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:13,011 INFO L93 Difference]: Finished difference Result 545 states and 602 transitions. [2018-02-04 03:52:13,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:52:13,011 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 73 [2018-02-04 03:52:13,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:13,012 INFO L225 Difference]: With dead ends: 545 [2018-02-04 03:52:13,012 INFO L226 Difference]: Without dead ends: 545 [2018-02-04 03:52:13,012 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=552, Invalid=4004, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 03:52:13,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-02-04 03:52:13,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 449. [2018-02-04 03:52:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-02-04 03:52:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 497 transitions. [2018-02-04 03:52:13,016 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 497 transitions. Word has length 73 [2018-02-04 03:52:13,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:13,016 INFO L432 AbstractCegarLoop]: Abstraction has 449 states and 497 transitions. [2018-02-04 03:52:13,016 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:52:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 497 transitions. [2018-02-04 03:52:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:52:13,017 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:13,017 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:13,017 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:13,017 INFO L82 PathProgramCache]: Analyzing trace with hash 877361476, now seen corresponding path program 2 times [2018-02-04 03:52:13,018 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:13,029 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:13,432 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 03:52:13,432 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:13,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:52:13,433 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:13,433 INFO L182 omatonBuilderFactory]: Interpolants [61921#true, 61922#false, 61923#(= (select |#valid| main_~list~0.base) 1), 61924#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 61925#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 61926#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 61927#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 61928#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 61929#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61930#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 61931#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61932#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 61933#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 61934#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 61935#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 61936#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 61937#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 61938#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 61939#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 61940#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 61941#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 61942#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 61943#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 61944#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|))), 61945#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 61946#(= 1 (select |#valid| |main_#t~mem20.base|)), 61947#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:52:13,433 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 03:52:13,433 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:52:13,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:52:13,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:52:13,434 INFO L87 Difference]: Start difference. First operand 449 states and 497 transitions. Second operand 27 states. [2018-02-04 03:52:14,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:14,739 INFO L93 Difference]: Finished difference Result 550 states and 605 transitions. [2018-02-04 03:52:14,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:52:14,739 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 03:52:14,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:14,740 INFO L225 Difference]: With dead ends: 550 [2018-02-04 03:52:14,740 INFO L226 Difference]: Without dead ends: 550 [2018-02-04 03:52:14,740 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=290, Invalid=2260, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 03:52:14,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-02-04 03:52:14,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 463. [2018-02-04 03:52:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-02-04 03:52:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 513 transitions. [2018-02-04 03:52:14,743 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 513 transitions. Word has length 73 [2018-02-04 03:52:14,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:14,743 INFO L432 AbstractCegarLoop]: Abstraction has 463 states and 513 transitions. [2018-02-04 03:52:14,743 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:52:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 513 transitions. [2018-02-04 03:52:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:52:14,744 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:14,744 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:14,744 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:14,744 INFO L82 PathProgramCache]: Analyzing trace with hash 877361477, now seen corresponding path program 2 times [2018-02-04 03:52:14,744 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:14,752 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:15,267 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 03:52:15,267 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:15,267 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:52:15,267 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:15,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:15,267 INFO L182 omatonBuilderFactory]: Interpolants [63009#true, 63010#false, 63011#(= (select |#valid| main_~list~0.base) 1), 63012#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 63013#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 63014#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 63015#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 63016#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 63017#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 63018#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 63019#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 63020#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 63021#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 63022#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 63023#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 63024#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 63025#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 63026#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))))), 63027#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 63028#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 63029#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 63030#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 63031#(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|)))), 63032#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 63033#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 63034#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0))] [2018-02-04 03:52:15,268 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 03:52:15,268 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:52:15,268 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:52:15,268 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:52:15,268 INFO L87 Difference]: Start difference. First operand 463 states and 513 transitions. Second operand 26 states. [2018-02-04 03:52:16,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:16,725 INFO L93 Difference]: Finished difference Result 540 states and 596 transitions. [2018-02-04 03:52:16,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:52:16,725 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 73 [2018-02-04 03:52:16,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:16,726 INFO L225 Difference]: With dead ends: 540 [2018-02-04 03:52:16,726 INFO L226 Difference]: Without dead ends: 540 [2018-02-04 03:52:16,726 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=202, Invalid=1690, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:52:16,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-02-04 03:52:16,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 428. [2018-02-04 03:52:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-02-04 03:52:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 474 transitions. [2018-02-04 03:52:16,729 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 474 transitions. Word has length 73 [2018-02-04 03:52:16,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:16,729 INFO L432 AbstractCegarLoop]: Abstraction has 428 states and 474 transitions. [2018-02-04 03:52:16,729 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:52:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 474 transitions. [2018-02-04 03:52:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:52:16,729 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:16,729 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:16,730 INFO L371 AbstractCegarLoop]: === Iteration 91 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:16,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1480170682, now seen corresponding path program 1 times [2018-02-04 03:52:16,730 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:16,740 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 03:52:17,122 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:17,122 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:52:17,122 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:17,123 INFO L182 omatonBuilderFactory]: Interpolants [64064#(= 1 (select |#valid| main_~list~0.base)), 64039#true, 64040#false, 64041#(not (= 0 |main_#t~malloc0.base|)), 64042#(not (= 0 main_~list~0.base)), 64043#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base))), 64044#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 64045#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc4.base|))), 64046#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))), 64047#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 64048#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 64049#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)))), 64050#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 64051#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)))), 64052#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 64053#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 64054#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 64055#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 64056#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 64057#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.base|) (not (= main_~list~0.base |main_#t~mem20.base|))), 64058#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 64059#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 64060#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 64061#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem24.base|))), 64062#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 64063#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:52:17,123 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 03:52:17,123 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:52:17,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:52:17,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:52:17,123 INFO L87 Difference]: Start difference. First operand 428 states and 474 transitions. Second operand 26 states. [2018-02-04 03:52:18,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:18,196 INFO L93 Difference]: Finished difference Result 489 states and 528 transitions. [2018-02-04 03:52:18,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:52:18,196 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 74 [2018-02-04 03:52:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:18,196 INFO L225 Difference]: With dead ends: 489 [2018-02-04 03:52:18,196 INFO L226 Difference]: Without dead ends: 489 [2018-02-04 03:52:18,197 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=725, Invalid=2815, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:52:18,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-02-04 03:52:18,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 428. [2018-02-04 03:52:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-02-04 03:52:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 472 transitions. [2018-02-04 03:52:18,199 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 472 transitions. Word has length 74 [2018-02-04 03:52:18,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:18,199 INFO L432 AbstractCegarLoop]: Abstraction has 428 states and 472 transitions. [2018-02-04 03:52:18,199 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:52:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 472 transitions. [2018-02-04 03:52:18,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:52:18,199 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:18,199 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:18,199 INFO L371 AbstractCegarLoop]: === Iteration 92 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:18,199 INFO L82 PathProgramCache]: Analyzing trace with hash 585318922, now seen corresponding path program 2 times [2018-02-04 03:52:18,200 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:18,205 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:52:18,588 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:18,588 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:52:18,588 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:18,589 INFO L182 omatonBuilderFactory]: Interpolants [65050#true, 65051#false, 65052#(not (= 0 |main_#t~malloc0.base|)), 65053#(not (= 0 main_~list~0.base)), 65054#(and (not (= 0 main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1)), 65055#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 65056#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc4.offset| 0)), 65057#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 65058#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem6.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 65059#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 65060#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 65061#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|))), 65062#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 65063#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem13.base|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))), 65064#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~end~0.base))), 65065#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 65066#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 65067#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))), 65068#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 65069#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 65070#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) 0))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) 0))) (not (= 0 main_~list~0.base)) (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 65071#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 65072#(or (not (= main_~list~0.offset 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 65073#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 65074#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem22.base|)))), 65075#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base)))), 65076#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:52:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:52:18,589 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:52:18,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:52:18,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:52:18,589 INFO L87 Difference]: Start difference. First operand 428 states and 472 transitions. Second operand 27 states. [2018-02-04 03:52:19,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:19,575 INFO L93 Difference]: Finished difference Result 487 states and 533 transitions. [2018-02-04 03:52:19,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:52:19,575 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 74 [2018-02-04 03:52:19,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:19,576 INFO L225 Difference]: With dead ends: 487 [2018-02-04 03:52:19,576 INFO L226 Difference]: Without dead ends: 487 [2018-02-04 03:52:19,576 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=546, Invalid=2876, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:52:19,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-02-04 03:52:19,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-02-04 03:52:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-02-04 03:52:19,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 528 transitions. [2018-02-04 03:52:19,579 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 528 transitions. Word has length 74 [2018-02-04 03:52:19,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:19,579 INFO L432 AbstractCegarLoop]: Abstraction has 481 states and 528 transitions. [2018-02-04 03:52:19,579 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:52:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 528 transitions. [2018-02-04 03:52:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:52:19,579 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:19,579 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:19,579 INFO L371 AbstractCegarLoop]: === Iteration 93 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:19,579 INFO L82 PathProgramCache]: Analyzing trace with hash 585318923, now seen corresponding path program 1 times [2018-02-04 03:52:19,580 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:19,585 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:52:19,721 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:19,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:52:19,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:19,722 INFO L182 omatonBuilderFactory]: Interpolants [66113#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 66112#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 66115#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 66114#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem20.base|) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 66117#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 66116#(and (<= (+ main_~end~0.offset 8) (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 66119#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 66118#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem24.base|) |main_#t~mem24.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem24.base|) |main_#t~mem24.offset|))), 66121#(and (<= 0 |main_#t~mem22.offset|) (<= (+ |main_#t~mem22.offset| 8) (select |#length| |main_#t~mem22.base|))), 66120#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 66122#(and (<= (+ main_~end~0.offset 8) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 66109#true, 66111#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 66110#false] [2018-02-04 03:52:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:52:19,722 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:52:19,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:52:19,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:52:19,722 INFO L87 Difference]: Start difference. First operand 481 states and 528 transitions. Second operand 14 states. [2018-02-04 03:52:20,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:20,184 INFO L93 Difference]: Finished difference Result 657 states and 728 transitions. [2018-02-04 03:52:20,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:52:20,184 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 74 [2018-02-04 03:52:20,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:20,185 INFO L225 Difference]: With dead ends: 657 [2018-02-04 03:52:20,185 INFO L226 Difference]: Without dead ends: 657 [2018-02-04 03:52:20,185 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:52:20,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2018-02-04 03:52:20,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 585. [2018-02-04 03:52:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-02-04 03:52:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 655 transitions. [2018-02-04 03:52:20,188 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 655 transitions. Word has length 74 [2018-02-04 03:52:20,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:20,188 INFO L432 AbstractCegarLoop]: Abstraction has 585 states and 655 transitions. [2018-02-04 03:52:20,188 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:52:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 655 transitions. [2018-02-04 03:52:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:52:20,188 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:20,188 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:20,189 INFO L371 AbstractCegarLoop]: === Iteration 94 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:20,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1018980658, now seen corresponding path program 7 times [2018-02-04 03:52:20,189 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:20,196 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:20,754 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:20,754 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:52:20,755 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:20,755 INFO L182 omatonBuilderFactory]: Interpolants [67393#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 67392#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 67395#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 67394#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 67397#(and (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= main_~list~0.offset |main_#t~malloc4.offset|) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 67396#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 67399#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= main_~list~0.offset |main_#t~mem6.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem6.base|))), 67398#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 67401#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))), 67400#(or (and (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 67403#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 67402#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 67405#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)))))), 67404#(or (and (= 0 |main_#t~mem20.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 67407#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 67406#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 67409#(= 1 (select |#valid| |main_#t~mem20.base|)), 67408#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 67410#(= 1 (select |#valid| main_~end~0.base)), 67381#true, 67383#(= |main_#t~malloc0.offset| 0), 67382#false, 67385#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 67384#(= main_~list~0.offset 0), 67387#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 67386#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 67389#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 67388#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 67391#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 67390#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 03:52:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:20,755 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:52:20,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:52:20,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:52:20,756 INFO L87 Difference]: Start difference. First operand 585 states and 655 transitions. Second operand 30 states. [2018-02-04 03:52:23,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:23,247 INFO L93 Difference]: Finished difference Result 678 states and 760 transitions. [2018-02-04 03:52:23,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 03:52:23,247 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-02-04 03:52:23,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:23,248 INFO L225 Difference]: With dead ends: 678 [2018-02-04 03:52:23,248 INFO L226 Difference]: Without dead ends: 678 [2018-02-04 03:52:23,249 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1368 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=774, Invalid=4926, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 03:52:23,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2018-02-04 03:52:23,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 589. [2018-02-04 03:52:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2018-02-04 03:52:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 661 transitions. [2018-02-04 03:52:23,252 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 661 transitions. Word has length 75 [2018-02-04 03:52:23,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:23,252 INFO L432 AbstractCegarLoop]: Abstraction has 589 states and 661 transitions. [2018-02-04 03:52:23,252 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:52:23,252 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 661 transitions. [2018-02-04 03:52:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:52:23,252 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:23,252 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:23,252 INFO L371 AbstractCegarLoop]: === Iteration 95 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:23,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1018980657, now seen corresponding path program 5 times [2018-02-04 03:52:23,253 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:23,260 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:23,723 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:23,723 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:52:23,723 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:23,724 INFO L182 omatonBuilderFactory]: Interpolants [68771#false, 68770#true, 68773#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 68772#(= (select |#valid| main_~list~0.base) 1), 68775#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 68774#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 68777#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 68776#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 68779#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 68778#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68781#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 68780#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68783#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 68782#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 68785#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 68784#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 68787#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))))), 68786#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 68789#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 68788#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 68791#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 68790#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 68793#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 68792#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 68795#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 68794#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|)))] [2018-02-04 03:52:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:23,724 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:52:23,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:52:23,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:52:23,724 INFO L87 Difference]: Start difference. First operand 589 states and 661 transitions. Second operand 26 states. [2018-02-04 03:52:25,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:25,312 INFO L93 Difference]: Finished difference Result 672 states and 754 transitions. [2018-02-04 03:52:25,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:52:25,312 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 75 [2018-02-04 03:52:25,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:25,313 INFO L225 Difference]: With dead ends: 672 [2018-02-04 03:52:25,313 INFO L226 Difference]: Without dead ends: 672 [2018-02-04 03:52:25,313 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=202, Invalid=1690, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:52:25,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-02-04 03:52:25,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 591. [2018-02-04 03:52:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2018-02-04 03:52:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 663 transitions. [2018-02-04 03:52:25,316 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 663 transitions. Word has length 75 [2018-02-04 03:52:25,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:25,316 INFO L432 AbstractCegarLoop]: Abstraction has 591 states and 663 transitions. [2018-02-04 03:52:25,316 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:52:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 663 transitions. [2018-02-04 03:52:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:52:25,317 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:25,317 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:52:25,317 INFO L371 AbstractCegarLoop]: === Iteration 96 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:25,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1120796335, now seen corresponding path program 7 times [2018-02-04 03:52:25,318 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:25,328 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:25,924 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:25,924 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:52:25,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:25,924 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 03:52:25,925 INFO L182 omatonBuilderFactory]: Interpolants [70095#true, 70097#(= (select |#valid| main_~list~0.base) 1), 70096#false, 70099#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|)), 70098#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 70101#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 70100#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 70103#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 70102#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 70105#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 70104#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 70107#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 70106#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1)), 70109#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1)), 70108#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 70111#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 70110#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 70113#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0))) (= |main_#t~malloc11.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))), 70112#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| main_~list~0.base) 1)), 70115#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))), 70114#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 70117#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 1 (select |#valid| main_~end~0.base))), 70116#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (or (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 70119#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 70118#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 70121#(and (= main_~end~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 70120#(and (= 0 |main_#t~mem20.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 70123#(= 1 (select |#valid| |main_#t~mem20.base|)), 70122#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 70124#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:52:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:25,925 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:52:25,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:52:25,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:52:25,925 INFO L87 Difference]: Start difference. First operand 591 states and 663 transitions. Second operand 30 states. [2018-02-04 03:52:27,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:27,872 INFO L93 Difference]: Finished difference Result 806 states and 915 transitions. [2018-02-04 03:52:27,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:52:27,873 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-02-04 03:52:27,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:27,874 INFO L225 Difference]: With dead ends: 806 [2018-02-04 03:52:27,874 INFO L226 Difference]: Without dead ends: 806 [2018-02-04 03:52:27,874 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=517, Invalid=3265, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 03:52:27,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-02-04 03:52:27,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 624. [2018-02-04 03:52:27,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2018-02-04 03:52:27,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 700 transitions. [2018-02-04 03:52:27,877 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 700 transitions. Word has length 75 [2018-02-04 03:52:27,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:27,878 INFO L432 AbstractCegarLoop]: Abstraction has 624 states and 700 transitions. [2018-02-04 03:52:27,878 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:52:27,878 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 700 transitions. [2018-02-04 03:52:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:52:27,878 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:27,878 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:52:27,878 INFO L371 AbstractCegarLoop]: === Iteration 97 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:27,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1120796336, now seen corresponding path program 7 times [2018-02-04 03:52:27,879 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:27,891 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:28,735 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:28,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:52:28,735 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:28,736 INFO L182 omatonBuilderFactory]: Interpolants [71619#true, 71621#(= (select |#valid| main_~list~0.base) 1), 71620#false, 71623#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 71622#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 71625#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 71624#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 71627#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 71626#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 71629#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 71628#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 71631#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 71630#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 71633#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#length| main_~end~0.base) 8) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= (select |#valid| main_~list~0.base) 0))), 71632#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= (select |#length| main_~end~0.base) 8) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 71635#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 71634#(and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~list~0.base |main_#t~mem6.base|))), 71637#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (not (= (select |#valid| main_~end~0.base) 0))), 71636#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))), 71639#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 71638#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 71641#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 71640#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 71643#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 71642#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 71645#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 71644#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 71647#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base))), 71646#(and (= 0 |main_#t~mem20.offset|) (<= 8 (select |#length| |main_#t~mem20.base|)))] [2018-02-04 03:52:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:28,736 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:52:28,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:52:28,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=724, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:52:28,736 INFO L87 Difference]: Start difference. First operand 624 states and 700 transitions. Second operand 29 states. [2018-02-04 03:52:30,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:30,986 INFO L93 Difference]: Finished difference Result 818 states and 928 transitions. [2018-02-04 03:52:30,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:52:30,986 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 75 [2018-02-04 03:52:30,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:30,987 INFO L225 Difference]: With dead ends: 818 [2018-02-04 03:52:30,987 INFO L226 Difference]: Without dead ends: 818 [2018-02-04 03:52:30,988 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=452, Invalid=3088, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:52:30,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-02-04 03:52:30,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 619. [2018-02-04 03:52:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-02-04 03:52:30,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 693 transitions. [2018-02-04 03:52:30,991 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 693 transitions. Word has length 75 [2018-02-04 03:52:30,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:30,991 INFO L432 AbstractCegarLoop]: Abstraction has 619 states and 693 transitions. [2018-02-04 03:52:30,991 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:52:30,991 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 693 transitions. [2018-02-04 03:52:30,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:52:30,992 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:30,992 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:52:30,992 INFO L371 AbstractCegarLoop]: === Iteration 98 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:30,992 INFO L82 PathProgramCache]: Analyzing trace with hash 866799233, now seen corresponding path program 8 times [2018-02-04 03:52:30,993 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:31,003 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:31,651 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:31,651 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:52:31,651 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:31,652 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 03:52:31,652 INFO L182 omatonBuilderFactory]: Interpolants [73153#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 73152#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 73155#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 73154#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 73157#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 73156#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 73159#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 73158#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1)), 73161#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 73160#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 1) (= (select |#valid| main_~list~0.base) 1)), 73163#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 73162#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 73165#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (or (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))))), 73164#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 73167#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 73166#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 73169#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 73168#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (or (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 73171#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 73170#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 73173#(and (= main_~end~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 73172#(and (= 0 |main_#t~mem20.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 73175#(= 1 (select |#valid| |main_#t~mem20.base|)), 73174#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 73176#(= 1 (select |#valid| main_~end~0.base)), 73147#true, 73149#(= (select |#valid| main_~list~0.base) 1), 73148#false, 73151#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|)), 73150#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))] [2018-02-04 03:52:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:31,652 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:52:31,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:52:31,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:52:31,652 INFO L87 Difference]: Start difference. First operand 619 states and 693 transitions. Second operand 30 states. [2018-02-04 03:52:33,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:33,483 INFO L93 Difference]: Finished difference Result 783 states and 880 transitions. [2018-02-04 03:52:33,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:52:33,483 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-02-04 03:52:33,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:33,484 INFO L225 Difference]: With dead ends: 783 [2018-02-04 03:52:33,484 INFO L226 Difference]: Without dead ends: 783 [2018-02-04 03:52:33,485 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=417, Invalid=2445, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 03:52:33,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-02-04 03:52:33,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 657. [2018-02-04 03:52:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2018-02-04 03:52:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 738 transitions. [2018-02-04 03:52:33,490 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 738 transitions. Word has length 75 [2018-02-04 03:52:33,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:33,490 INFO L432 AbstractCegarLoop]: Abstraction has 657 states and 738 transitions. [2018-02-04 03:52:33,490 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:52:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 738 transitions. [2018-02-04 03:52:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:52:33,491 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:33,491 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:52:33,491 INFO L371 AbstractCegarLoop]: === Iteration 99 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:33,492 INFO L82 PathProgramCache]: Analyzing trace with hash 866799234, now seen corresponding path program 8 times [2018-02-04 03:52:33,492 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:33,510 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:34,143 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:34,143 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:52:34,144 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:34,144 INFO L182 omatonBuilderFactory]: Interpolants [74689#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 74688#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 74691#(and (= 0 |main_#t~mem20.offset|) (<= 8 (select |#length| |main_#t~mem20.base|))), 74690#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 74692#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base))), 74665#true, 74667#(= (select |#valid| main_~list~0.base) 1), 74666#false, 74669#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 74668#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 74671#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 74670#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 74673#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74672#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 74675#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74674#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 74677#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 74676#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 74679#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= (select |#length| main_~end~0.base) 8) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 74678#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 74681#(and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~list~0.base |main_#t~mem13.base|))), 74680#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#length| main_~end~0.base) 8) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| main_~end~0.base) 0))), 74683#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~malloc4.base|))), 74682#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 74685#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 74684#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 74687#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 74686#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))] [2018-02-04 03:52:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:34,144 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:52:34,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:52:34,145 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:52:34,145 INFO L87 Difference]: Start difference. First operand 657 states and 738 transitions. Second operand 28 states. [2018-02-04 03:52:35,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:35,928 INFO L93 Difference]: Finished difference Result 795 states and 893 transitions. [2018-02-04 03:52:35,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:52:35,928 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 75 [2018-02-04 03:52:35,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:35,929 INFO L225 Difference]: With dead ends: 795 [2018-02-04 03:52:35,929 INFO L226 Difference]: Without dead ends: 795 [2018-02-04 03:52:35,929 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=333, Invalid=2117, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 03:52:35,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-02-04 03:52:35,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 633. [2018-02-04 03:52:35,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-02-04 03:52:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 710 transitions. [2018-02-04 03:52:35,933 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 710 transitions. Word has length 75 [2018-02-04 03:52:35,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:35,933 INFO L432 AbstractCegarLoop]: Abstraction has 633 states and 710 transitions. [2018-02-04 03:52:35,933 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:52:35,933 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 710 transitions. [2018-02-04 03:52:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:52:35,934 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:35,934 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:52:35,934 INFO L371 AbstractCegarLoop]: === Iteration 100 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:35,934 INFO L82 PathProgramCache]: Analyzing trace with hash -2096085137, now seen corresponding path program 9 times [2018-02-04 03:52:35,934 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:35,947 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:36,821 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:36,821 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:52:36,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:36,822 INFO L182 omatonBuilderFactory]: Interpolants [76165#true, 76167#(= |main_#t~malloc0.offset| 0), 76166#false, 76169#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 76168#(= main_~list~0.offset 0), 76171#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 76170#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 76173#(and (= main_~list~0.offset 0) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 76172#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 76175#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~end~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76174#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0)), 76177#(and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76176#(and (= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~malloc11.base|)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 76179#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0)), 76178#(and (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 76181#(and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)), 76180#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 76183#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0)), 76182#(and (= main_~list~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 76185#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 76184#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)))) (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)))) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.offset|) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~malloc4.offset|)), 76187#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (or (and (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 76186#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= main_~list~0.offset |main_#t~mem6.offset|)), 76189#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))))), 76188#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 76191#(or (and (= 0 |main_#t~mem20.offset|) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 76190#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 76193#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 76192#(or (and (= main_~end~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 76195#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 76194#(or (= 1 (select |#valid| |main_#t~mem20.base|)) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 76196#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:52:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:36,822 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:52:36,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:52:36,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=874, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:52:36,822 INFO L87 Difference]: Start difference. First operand 633 states and 710 transitions. Second operand 32 states. [2018-02-04 03:52:40,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:40,534 INFO L93 Difference]: Finished difference Result 823 states and 922 transitions. [2018-02-04 03:52:40,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-02-04 03:52:40,535 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 75 [2018-02-04 03:52:40,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:40,536 INFO L225 Difference]: With dead ends: 823 [2018-02-04 03:52:40,536 INFO L226 Difference]: Without dead ends: 823 [2018-02-04 03:52:40,536 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2083 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1282, Invalid=6028, Unknown=0, NotChecked=0, Total=7310 [2018-02-04 03:52:40,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2018-02-04 03:52:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 667. [2018-02-04 03:52:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2018-02-04 03:52:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 749 transitions. [2018-02-04 03:52:40,541 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 749 transitions. Word has length 75 [2018-02-04 03:52:40,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:40,541 INFO L432 AbstractCegarLoop]: Abstraction has 667 states and 749 transitions. [2018-02-04 03:52:40,541 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:52:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 749 transitions. [2018-02-04 03:52:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:52:40,541 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:40,541 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:52:40,542 INFO L371 AbstractCegarLoop]: === Iteration 101 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:40,542 INFO L82 PathProgramCache]: Analyzing trace with hash -2096085136, now seen corresponding path program 9 times [2018-02-04 03:52:40,542 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:40,555 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:41,465 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:41,465 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:52:41,466 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:41,466 INFO L182 omatonBuilderFactory]: Interpolants [77825#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 77824#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 77826#(and (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0)), 77795#true, 77797#(= |main_#t~malloc0.offset| 0), 77796#false, 77799#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 77798#(= main_~list~0.offset 0), 77801#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 77800#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 77803#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 77802#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 77805#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 77804#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 77807#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 77806#(and (= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~malloc11.base|))), 77809#(and (= main_~list~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 77808#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem13.base|) (= 8 (select |#length| |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 77811#(and (= main_~list~0.offset 0) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| main_~end~0.base))), 77810#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 77813#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 77812#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| main_~end~0.base))), 77815#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))) (or (not (= main_~list~0.base |main_#t~malloc4.base|)) (= main_~list~0.offset |main_#t~malloc4.offset|))), 77814#(and (= main_~list~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) 0))), 77817#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (or (= main_~list~0.offset |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)))), 77816#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 77819#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))), 77818#(or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 77821#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 77820#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))), 77823#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0)) (and (= main_~end~0.offset 0) (= main_~end~0.base 0))), 77822#(or (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)) (and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))))] [2018-02-04 03:52:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:41,466 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:52:41,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:52:41,467 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:52:41,467 INFO L87 Difference]: Start difference. First operand 667 states and 749 transitions. Second operand 32 states. [2018-02-04 03:52:44,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:44,445 INFO L93 Difference]: Finished difference Result 832 states and 932 transitions. [2018-02-04 03:52:44,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:52:44,445 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 75 [2018-02-04 03:52:44,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:44,446 INFO L225 Difference]: With dead ends: 832 [2018-02-04 03:52:44,446 INFO L226 Difference]: Without dead ends: 832 [2018-02-04 03:52:44,446 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1470 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=821, Invalid=4729, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:52:44,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2018-02-04 03:52:44,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 641. [2018-02-04 03:52:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2018-02-04 03:52:44,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 719 transitions. [2018-02-04 03:52:44,450 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 719 transitions. Word has length 75 [2018-02-04 03:52:44,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:44,450 INFO L432 AbstractCegarLoop]: Abstraction has 641 states and 719 transitions. [2018-02-04 03:52:44,450 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:52:44,450 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 719 transitions. [2018-02-04 03:52:44,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:52:44,450 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:44,450 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:44,450 INFO L371 AbstractCegarLoop]: === Iteration 102 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:44,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1961559020, now seen corresponding path program 10 times [2018-02-04 03:52:44,451 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:44,459 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:45,216 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:45,216 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:52:45,217 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:45,217 INFO L182 omatonBuilderFactory]: Interpolants [79387#false, 79386#true, 79389#(= main_~list~0.offset 0), 79388#(= |main_#t~malloc0.offset| 0), 79391#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 79390#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 79393#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 79392#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 79395#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 79394#(and (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 79397#(and (= main_~list~0.offset 0) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 79396#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 79399#(and (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 79398#(and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 79401#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 79400#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 79403#(and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 79402#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~list~0.offset |main_#t~malloc11.offset|)), 79405#(or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 79404#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0) |main_#t~mem13.offset|) (= main_~list~0.offset |main_#t~mem13.offset|) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))), 79407#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 79406#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)))), 79409#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 79408#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 79411#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 79410#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 79413#(and (= main_~end~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 79412#(and (= 0 |main_#t~mem20.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))), 79415#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 79414#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 79417#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 79416#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 79418#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 03:52:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:45,217 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:52:45,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:52:45,218 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=961, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:52:45,218 INFO L87 Difference]: Start difference. First operand 641 states and 719 transitions. Second operand 33 states. [2018-02-04 03:52:47,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:47,716 INFO L93 Difference]: Finished difference Result 789 states and 885 transitions. [2018-02-04 03:52:47,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:52:47,716 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 76 [2018-02-04 03:52:47,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:47,717 INFO L225 Difference]: With dead ends: 789 [2018-02-04 03:52:47,717 INFO L226 Difference]: Without dead ends: 789 [2018-02-04 03:52:47,717 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1174 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=578, Invalid=4392, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 03:52:47,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2018-02-04 03:52:47,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 675. [2018-02-04 03:52:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2018-02-04 03:52:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 758 transitions. [2018-02-04 03:52:47,722 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 758 transitions. Word has length 76 [2018-02-04 03:52:47,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:47,722 INFO L432 AbstractCegarLoop]: Abstraction has 675 states and 758 transitions. [2018-02-04 03:52:47,722 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:52:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 758 transitions. [2018-02-04 03:52:47,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:52:47,722 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:47,722 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:47,722 INFO L371 AbstractCegarLoop]: === Iteration 103 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:47,723 INFO L82 PathProgramCache]: Analyzing trace with hash -149226549, now seen corresponding path program 1 times [2018-02-04 03:52:47,723 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:47,729 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:48,145 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:48,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:52:48,145 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:48,145 INFO L182 omatonBuilderFactory]: Interpolants [80961#(= (select |#valid| main_~list~0.base) 1), 80960#false, 80963#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc4.offset| 0)), 80962#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 80965#(and (= |main_#t~mem6.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 80964#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 80967#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 80966#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 80969#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 80968#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|))), 80971#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 80970#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))), 80973#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 80972#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)), 80975#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 80974#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 80977#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.offset 0)) (or (not (= main_~end~0.offset 0)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 80976#(and (or (= 0 |main_#t~mem20.offset|) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 80979#(or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)), 80978#(or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (and (= main_~end~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 80981#(or (and (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0)), 80980#(or (and (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= |main_#t~mem24.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (select (select |#memory_$Pointer$.offset| |main_#t~mem24.base|) |main_#t~mem24.offset|) 0)), 80983#(or (not (= main_~list~0.offset 0)) (<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)), 80982#(or (not (= main_~end~0.offset 0)) (<= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0)), 80985#(or (not (= main_~list~0.offset 0)) (<= main_~end~0.offset 0)), 80984#(or (not (= main_~list~0.offset 0)) (<= |main_#t~mem22.offset| 0)), 80987#(and (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset)), 80986#(<= main_~end~0.offset 0), 80959#true] [2018-02-04 03:52:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:48,146 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:52:48,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:52:48,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=708, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:52:48,146 INFO L87 Difference]: Start difference. First operand 675 states and 758 transitions. Second operand 29 states. [2018-02-04 03:52:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:49,466 INFO L93 Difference]: Finished difference Result 697 states and 780 transitions. [2018-02-04 03:52:49,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:52:49,466 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 76 [2018-02-04 03:52:49,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:49,467 INFO L225 Difference]: With dead ends: 697 [2018-02-04 03:52:49,468 INFO L226 Difference]: Without dead ends: 697 [2018-02-04 03:52:49,468 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 996 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=634, Invalid=3398, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:52:49,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-02-04 03:52:49,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 677. [2018-02-04 03:52:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2018-02-04 03:52:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 760 transitions. [2018-02-04 03:52:49,471 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 760 transitions. Word has length 76 [2018-02-04 03:52:49,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:49,471 INFO L432 AbstractCegarLoop]: Abstraction has 677 states and 760 transitions. [2018-02-04 03:52:49,471 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:52:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 760 transitions. [2018-02-04 03:52:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:52:49,472 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:49,472 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:49,472 INFO L371 AbstractCegarLoop]: === Iteration 104 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:49,472 INFO L82 PathProgramCache]: Analyzing trace with hash 678306022, now seen corresponding path program 11 times [2018-02-04 03:52:49,473 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:49,482 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 4 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:50,093 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:50,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:52:50,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:50,094 INFO L182 omatonBuilderFactory]: Interpolants [82433#false, 82432#true, 82435#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 82434#(= (select |#valid| main_~list~0.base) 1), 82437#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 82436#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 82439#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 82438#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 82441#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 82440#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 82443#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.offset|) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 82442#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 82445#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 82444#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 82447#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 82446#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 82449#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 82448#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem6.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem6.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 82451#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 82450#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 82453#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 82452#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 82455#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 82454#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 82457#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 82456#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 82459#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 82458#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 82460#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 03:52:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 4 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:50,094 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:52:50,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:52:50,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=741, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:52:50,095 INFO L87 Difference]: Start difference. First operand 677 states and 760 transitions. Second operand 29 states. [2018-02-04 03:52:52,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:52,122 INFO L93 Difference]: Finished difference Result 778 states and 874 transitions. [2018-02-04 03:52:52,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:52:52,122 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 76 [2018-02-04 03:52:52,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:52,123 INFO L225 Difference]: With dead ends: 778 [2018-02-04 03:52:52,123 INFO L226 Difference]: Without dead ends: 778 [2018-02-04 03:52:52,123 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=312, Invalid=3348, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 03:52:52,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-02-04 03:52:52,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 649. [2018-02-04 03:52:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2018-02-04 03:52:52,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 728 transitions. [2018-02-04 03:52:52,126 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 728 transitions. Word has length 76 [2018-02-04 03:52:52,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:52,126 INFO L432 AbstractCegarLoop]: Abstraction has 649 states and 728 transitions. [2018-02-04 03:52:52,126 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:52:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 728 transitions. [2018-02-04 03:52:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:52:52,127 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:52,127 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:52,127 INFO L371 AbstractCegarLoop]: === Iteration 105 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:52,127 INFO L82 PathProgramCache]: Analyzing trace with hash 2024365063, now seen corresponding path program 6 times [2018-02-04 03:52:52,127 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:52,141 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:52,760 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:52,760 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:52:52,760 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:52,760 INFO L182 omatonBuilderFactory]: Interpolants [83969#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 83968#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 83971#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 83970#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) |main_#t~malloc11.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))))), 83973#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))), 83972#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 83975#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 83974#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 83977#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 83976#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 83979#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 83978#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 83981#(= 1 (select |#valid| main_~end~0.base)), 83980#(= 1 (select |#valid| |main_#t~mem20.base|)), 83953#false, 83952#true, 83955#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 83954#(= (select |#valid| main_~list~0.base) 1), 83957#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 83956#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 83959#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 83958#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 83961#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 83960#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83963#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 83962#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83965#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 83964#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 83967#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 83966#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 03:52:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:52,761 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:52:52,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:52:52,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:52:52,761 INFO L87 Difference]: Start difference. First operand 649 states and 728 transitions. Second operand 30 states. [2018-02-04 03:52:54,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:54,753 INFO L93 Difference]: Finished difference Result 799 states and 898 transitions. [2018-02-04 03:52:54,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:52:54,754 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 76 [2018-02-04 03:52:54,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:54,754 INFO L225 Difference]: With dead ends: 799 [2018-02-04 03:52:54,755 INFO L226 Difference]: Without dead ends: 799 [2018-02-04 03:52:54,755 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=471, Invalid=3561, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:52:54,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2018-02-04 03:52:54,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 660. [2018-02-04 03:52:54,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2018-02-04 03:52:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 743 transitions. [2018-02-04 03:52:54,758 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 743 transitions. Word has length 76 [2018-02-04 03:52:54,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:54,758 INFO L432 AbstractCegarLoop]: Abstraction has 660 states and 743 transitions. [2018-02-04 03:52:54,758 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:52:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 743 transitions. [2018-02-04 03:52:54,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:52:54,758 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:54,758 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:52:54,758 INFO L371 AbstractCegarLoop]: === Iteration 106 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:54,759 INFO L82 PathProgramCache]: Analyzing trace with hash 2024365064, now seen corresponding path program 5 times [2018-02-04 03:52:54,759 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:54,772 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:55,624 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:55,624 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:52:55,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:55,625 INFO L182 omatonBuilderFactory]: Interpolants [85509#true, 85511#(= (select |#valid| main_~list~0.base) 1), 85510#false, 85513#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 85512#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 85515#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 85514#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 85517#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 85516#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 85519#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 85518#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= |main_#t~malloc11.offset| 0) (= (select |#valid| main_~list~0.base) 1)), 85521#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 85520#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem13.offset| 0) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 85523#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| |main_#t~malloc4.base|))), 85522#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 85525#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0) |main_#t~mem6.base|) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 85524#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 85527#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 8 (select |#length| main_~end~0.base))), 85526#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| main_~end~0.base))), 85529#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= (select |#length| main_~end~0.base) 8) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 85528#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 8 (select |#length| main_~end~0.base)) (not (= (select |#valid| main_~end~0.base) 0))), 85531#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)))), 85530#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#length| main_~end~0.base) 8) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 85533#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)))), 85532#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 85535#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 85534#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 85537#(and (= 0 |main_#t~mem20.offset|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 85536#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 85539#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 85538#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 85541#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base))), 85540#(and (= 0 |main_#t~mem20.offset|) (<= 8 (select |#length| |main_#t~mem20.base|)))] [2018-02-04 03:52:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:55,625 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:52:55,625 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:52:55,625 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=962, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:52:55,626 INFO L87 Difference]: Start difference. First operand 660 states and 743 transitions. Second operand 33 states. [2018-02-04 03:52:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:52:57,926 INFO L93 Difference]: Finished difference Result 800 states and 900 transitions. [2018-02-04 03:52:57,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:52:57,958 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 76 [2018-02-04 03:52:57,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:52:57,959 INFO L225 Difference]: With dead ends: 800 [2018-02-04 03:52:57,959 INFO L226 Difference]: Without dead ends: 800 [2018-02-04 03:52:57,959 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=328, Invalid=2978, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 03:52:57,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-02-04 03:52:57,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 659. [2018-02-04 03:52:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2018-02-04 03:52:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 741 transitions. [2018-02-04 03:52:57,962 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 741 transitions. Word has length 76 [2018-02-04 03:52:57,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:52:57,963 INFO L432 AbstractCegarLoop]: Abstraction has 659 states and 741 transitions. [2018-02-04 03:52:57,963 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:52:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 741 transitions. [2018-02-04 03:52:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:52:57,963 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:52:57,963 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] [2018-02-04 03:52:57,963 INFO L371 AbstractCegarLoop]: === Iteration 107 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:52:57,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1914322958, now seen corresponding path program 5 times [2018-02-04 03:52:57,964 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:52:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:52:57,970 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:52:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:58,536 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:52:58,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:52:58,536 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:52:58,537 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 03:52:58,537 INFO L182 omatonBuilderFactory]: Interpolants [87051#true, 87053#(= |main_#t~malloc0.offset| 0), 87052#false, 87055#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 87054#(= main_~list~0.offset 0), 87057#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 87056#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 87059#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 87058#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 87061#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 87060#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 87063#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 87062#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 87065#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 87064#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 87067#(and (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= main_~list~0.offset |main_#t~malloc4.offset|) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 87066#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 87069#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= main_~list~0.offset |main_#t~mem6.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem6.base|))), 87068#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 87071#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))), 87070#(or (and (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 87073#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 87072#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 87075#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)))))), 87074#(or (and (= 0 |main_#t~mem20.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 87077#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 87076#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 87079#(= 1 (select |#valid| |main_#t~mem18.base|)), 87078#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 87080#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:52:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:52:58,537 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:52:58,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:52:58,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:52:58,537 INFO L87 Difference]: Start difference. First operand 659 states and 741 transitions. Second operand 30 states. [2018-02-04 03:53:01,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:53:01,093 INFO L93 Difference]: Finished difference Result 747 states and 841 transitions. [2018-02-04 03:53:01,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 03:53:01,093 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 77 [2018-02-04 03:53:01,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:53:01,094 INFO L225 Difference]: With dead ends: 747 [2018-02-04 03:53:01,094 INFO L226 Difference]: Without dead ends: 747 [2018-02-04 03:53:01,095 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=769, Invalid=4931, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 03:53:01,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2018-02-04 03:53:01,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 666. [2018-02-04 03:53:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2018-02-04 03:53:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 749 transitions. [2018-02-04 03:53:01,098 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 749 transitions. Word has length 77 [2018-02-04 03:53:01,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:53:01,098 INFO L432 AbstractCegarLoop]: Abstraction has 666 states and 749 transitions. [2018-02-04 03:53:01,098 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:53:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 749 transitions. [2018-02-04 03:53:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:53:01,099 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:53:01,099 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] [2018-02-04 03:53:01,099 INFO L371 AbstractCegarLoop]: === Iteration 108 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:53:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1914322957, now seen corresponding path program 3 times [2018-02-04 03:53:01,099 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:53:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:53:01,107 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:53:01,745 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:01,746 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:53:01,746 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:53:01,746 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:53:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:01,746 INFO L182 omatonBuilderFactory]: Interpolants [88587#false, 88586#true, 88589#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 88588#(= (select |#valid| main_~list~0.base) 1), 88591#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 88590#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 88593#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 88592#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 88595#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 88594#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 88597#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 88596#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 88599#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 88598#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 88601#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 88600#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 88603#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))))), 88602#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|))), 88605#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 88604#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 88607#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 88606#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 88609#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 88608#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 88611#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 88610#(and (= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|))] [2018-02-04 03:53:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:01,746 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:53:01,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:53:01,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:53:01,747 INFO L87 Difference]: Start difference. First operand 666 states and 749 transitions. Second operand 26 states. [2018-02-04 03:53:03,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:53:03,439 INFO L93 Difference]: Finished difference Result 739 states and 832 transitions. [2018-02-04 03:53:03,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:53:03,439 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 77 [2018-02-04 03:53:03,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:53:03,440 INFO L225 Difference]: With dead ends: 739 [2018-02-04 03:53:03,440 INFO L226 Difference]: Without dead ends: 739 [2018-02-04 03:53:03,440 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=202, Invalid=1690, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:53:03,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-02-04 03:53:03,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 668. [2018-02-04 03:53:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2018-02-04 03:53:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 750 transitions. [2018-02-04 03:53:03,444 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 750 transitions. Word has length 77 [2018-02-04 03:53:03,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:53:03,444 INFO L432 AbstractCegarLoop]: Abstraction has 668 states and 750 transitions. [2018-02-04 03:53:03,444 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:53:03,444 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 750 transitions. [2018-02-04 03:53:03,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:53:03,444 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:53:03,444 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:53:03,444 INFO L371 AbstractCegarLoop]: === Iteration 109 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:53:03,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1416999827, now seen corresponding path program 5 times [2018-02-04 03:53:03,445 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:53:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:53:03,454 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:53:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:04,050 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:53:04,051 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:53:04,051 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:53:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:04,051 INFO L182 omatonBuilderFactory]: Interpolants [90055#true, 90057#(= (select |#valid| main_~list~0.base) 1), 90056#false, 90059#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|)), 90058#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 90061#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= 0 |main_#t~mem6.offset|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 90060#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 90063#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 90062#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 90065#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 90064#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 90067#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 90066#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1)), 90069#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1)), 90068#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 90071#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 90070#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 90073#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0))) (= |main_#t~malloc11.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))), 90072#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| main_~list~0.base) 1)), 90075#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))), 90074#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 90077#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 90076#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (or (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 90079#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 90078#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 90081#(and (= main_~end~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 90080#(and (= 0 |main_#t~mem20.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 90083#(= 1 (select |#valid| |main_#t~mem18.base|)), 90082#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 90084#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:53:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:04,051 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:53:04,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:53:04,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:53:04,052 INFO L87 Difference]: Start difference. First operand 668 states and 750 transitions. Second operand 30 states. [2018-02-04 03:53:05,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:53:05,976 INFO L93 Difference]: Finished difference Result 892 states and 1012 transitions. [2018-02-04 03:53:05,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:53:05,977 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 77 [2018-02-04 03:53:05,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:53:05,977 INFO L225 Difference]: With dead ends: 892 [2018-02-04 03:53:05,977 INFO L226 Difference]: Without dead ends: 892 [2018-02-04 03:53:05,978 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=517, Invalid=3265, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 03:53:05,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-02-04 03:53:05,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 696. [2018-02-04 03:53:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2018-02-04 03:53:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 781 transitions. [2018-02-04 03:53:05,981 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 781 transitions. Word has length 77 [2018-02-04 03:53:05,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:53:05,981 INFO L432 AbstractCegarLoop]: Abstraction has 696 states and 781 transitions. [2018-02-04 03:53:05,981 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:53:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 781 transitions. [2018-02-04 03:53:05,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:53:05,982 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:53:05,982 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:53:05,982 INFO L371 AbstractCegarLoop]: === Iteration 110 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:53:05,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1416999828, now seen corresponding path program 5 times [2018-02-04 03:53:05,982 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:53:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:53:05,995 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:53:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:06,643 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:53:06,643 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:53:06,643 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:53:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:06,643 INFO L182 omatonBuilderFactory]: Interpolants [91737#true, 91739#(= (select |#valid| main_~list~0.base) 1), 91738#false, 91741#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 91740#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 91743#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 91742#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 91745#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 91744#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 91747#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 91746#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 91749#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 91748#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 91751#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (= (select |#length| main_~end~0.base) 8) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 91750#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 91753#(and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~list~0.base |main_#t~mem6.base|))), 91752#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#length| main_~end~0.base) 8) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= (select |#valid| main_~list~0.base) 0))), 91755#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)))), 91754#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 91757#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 91756#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 91759#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 91758#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 91761#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 91760#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 91763#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 91762#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 91764#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:53:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:06,644 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:53:06,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:53:06,644 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:53:06,644 INFO L87 Difference]: Start difference. First operand 696 states and 781 transitions. Second operand 28 states. [2018-02-04 03:53:08,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:53:08,772 INFO L93 Difference]: Finished difference Result 902 states and 1022 transitions. [2018-02-04 03:53:08,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:53:08,772 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 77 [2018-02-04 03:53:08,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:53:08,773 INFO L225 Difference]: With dead ends: 902 [2018-02-04 03:53:08,773 INFO L226 Difference]: Without dead ends: 902 [2018-02-04 03:53:08,773 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=403, Invalid=2789, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 03:53:08,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2018-02-04 03:53:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 689. [2018-02-04 03:53:08,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2018-02-04 03:53:08,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 773 transitions. [2018-02-04 03:53:08,777 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 773 transitions. Word has length 77 [2018-02-04 03:53:08,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:53:08,777 INFO L432 AbstractCegarLoop]: Abstraction has 689 states and 773 transitions. [2018-02-04 03:53:08,777 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:53:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 773 transitions. [2018-02-04 03:53:08,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:53:08,777 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:53:08,777 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:53:08,778 INFO L371 AbstractCegarLoop]: === Iteration 111 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:53:08,778 INFO L82 PathProgramCache]: Analyzing trace with hash 2138920677, now seen corresponding path program 6 times [2018-02-04 03:53:08,778 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:53:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:53:08,787 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:53:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:09,353 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:53:09,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:53:09,353 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:53:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:09,354 INFO L182 omatonBuilderFactory]: Interpolants [93441#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 93440#(and (= main_~end~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 93443#(= 1 (select |#valid| main_~end~0.base)), 93442#(= 1 (select |#valid| |main_#t~mem18.base|)), 93415#false, 93414#true, 93417#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 93416#(= (select |#valid| main_~list~0.base) 1), 93419#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 93418#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc4.offset|)), 93421#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 93420#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 93423#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1)), 93422#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 93425#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1)), 93424#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 93427#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 1) (= (select |#valid| main_~list~0.base) 1)), 93426#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 93429#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 93428#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 93431#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 93430#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1)), 93433#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 93432#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (or (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) 0))))), 93435#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (or (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))), 93434#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 93437#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 93436#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 93439#(and (= 0 |main_#t~mem20.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 93438#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))] [2018-02-04 03:53:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:09,354 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:53:09,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:53:09,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:53:09,354 INFO L87 Difference]: Start difference. First operand 689 states and 773 transitions. Second operand 30 states. [2018-02-04 03:53:10,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:53:10,928 INFO L93 Difference]: Finished difference Result 853 states and 958 transitions. [2018-02-04 03:53:10,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:53:10,928 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 77 [2018-02-04 03:53:10,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:53:10,929 INFO L225 Difference]: With dead ends: 853 [2018-02-04 03:53:10,929 INFO L226 Difference]: Without dead ends: 853 [2018-02-04 03:53:10,929 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=425, Invalid=2545, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 03:53:10,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2018-02-04 03:53:10,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 720. [2018-02-04 03:53:10,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-02-04 03:53:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 807 transitions. [2018-02-04 03:53:10,933 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 807 transitions. Word has length 77 [2018-02-04 03:53:10,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:53:10,933 INFO L432 AbstractCegarLoop]: Abstraction has 720 states and 807 transitions. [2018-02-04 03:53:10,933 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:53:10,933 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 807 transitions. [2018-02-04 03:53:10,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:53:10,934 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:53:10,934 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:53:10,934 INFO L371 AbstractCegarLoop]: === Iteration 112 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:53:10,934 INFO L82 PathProgramCache]: Analyzing trace with hash 2138920678, now seen corresponding path program 6 times [2018-02-04 03:53:10,934 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:53:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:53:10,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:53:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:11,541 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:53:11,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:53:11,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:53:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:11,541 INFO L182 omatonBuilderFactory]: Interpolants [95067#true, 95069#(= (select |#valid| main_~list~0.base) 1), 95068#false, 95071#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset)), 95070#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 95073#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 95072#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 95075#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 95074#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 95077#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 95076#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc4.base|)) (not (= main_~list~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~list~0.base) 1) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 95079#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| main_~end~0.base))), 95078#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem6.base|)), 95081#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc11.base|)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= (select |#length| main_~end~0.base) 8) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) 0))), 95080#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 95083#(and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~list~0.base |main_#t~mem13.base|))), 95082#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#length| main_~end~0.base) 8) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| main_~end~0.base) 0))), 95085#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~malloc4.base|))), 95084#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= (select |#valid| main_~list~0.base) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 95087#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 95086#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 95089#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 95088#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 95091#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 95090#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 95093#(and (<= 8 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 95092#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 95094#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))] [2018-02-04 03:53:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:11,542 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:53:11,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:53:11,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:53:11,542 INFO L87 Difference]: Start difference. First operand 720 states and 807 transitions. Second operand 28 states. [2018-02-04 03:53:13,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:53:13,286 INFO L93 Difference]: Finished difference Result 862 states and 966 transitions. [2018-02-04 03:53:13,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:53:13,286 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 77 [2018-02-04 03:53:13,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:53:13,287 INFO L225 Difference]: With dead ends: 862 [2018-02-04 03:53:13,287 INFO L226 Difference]: Without dead ends: 862 [2018-02-04 03:53:13,287 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=333, Invalid=2117, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 03:53:13,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2018-02-04 03:53:13,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 688. [2018-02-04 03:53:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2018-02-04 03:53:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 772 transitions. [2018-02-04 03:53:13,290 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 772 transitions. Word has length 77 [2018-02-04 03:53:13,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:53:13,290 INFO L432 AbstractCegarLoop]: Abstraction has 688 states and 772 transitions. [2018-02-04 03:53:13,290 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:53:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 772 transitions. [2018-02-04 03:53:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:53:13,290 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:53:13,291 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:53:13,291 INFO L371 AbstractCegarLoop]: === Iteration 113 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:53:13,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1085686767, now seen corresponding path program 1 times [2018-02-04 03:53:13,291 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:53:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:53:13,296 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:53:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:53:13,435 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:53:13,435 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:53:13,435 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:53:13,436 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 03:53:13,436 INFO L182 omatonBuilderFactory]: Interpolants [96689#true, 96691#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 96690#false, 96693#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 96692#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 96695#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 96694#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem18.base|) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 96697#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 96696#(and (<= (+ main_~end~0.offset 8) (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 96699#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 96698#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem24.base|) |main_#t~mem24.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem24.base|) |main_#t~mem24.offset|))), 96701#(and (<= 0 |main_#t~mem22.offset|) (<= (+ |main_#t~mem22.offset| 8) (select |#length| |main_#t~mem22.base|))), 96700#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 96702#(and (<= (+ main_~end~0.offset 8) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset))] [2018-02-04 03:53:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:53:13,436 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:53:13,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:53:13,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:53:13,436 INFO L87 Difference]: Start difference. First operand 688 states and 772 transitions. Second operand 14 states. [2018-02-04 03:53:13,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:53:13,926 INFO L93 Difference]: Finished difference Result 762 states and 841 transitions. [2018-02-04 03:53:13,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:53:13,927 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 77 [2018-02-04 03:53:13,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:53:13,927 INFO L225 Difference]: With dead ends: 762 [2018-02-04 03:53:13,927 INFO L226 Difference]: Without dead ends: 762 [2018-02-04 03:53:13,927 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:53:13,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2018-02-04 03:53:13,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 583. [2018-02-04 03:53:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2018-02-04 03:53:13,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 645 transitions. [2018-02-04 03:53:13,930 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 645 transitions. Word has length 77 [2018-02-04 03:53:13,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:53:13,930 INFO L432 AbstractCegarLoop]: Abstraction has 583 states and 645 transitions. [2018-02-04 03:53:13,930 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:53:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 645 transitions. [2018-02-04 03:53:13,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:53:13,931 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:53:13,931 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:53:13,931 INFO L371 AbstractCegarLoop]: === Iteration 114 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:53:13,931 INFO L82 PathProgramCache]: Analyzing trace with hash -722407534, now seen corresponding path program 3 times [2018-02-04 03:53:13,931 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:53:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:53:13,938 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:53:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:14,775 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:53:14,775 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:53:14,775 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:53:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:14,775 INFO L182 omatonBuilderFactory]: Interpolants [98065#false, 98064#true, 98067#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base))), 98066#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 98069#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 98068#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base))), 98071#(and (= main_~list~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 98070#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc4.offset| 0)), 98073#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 98072#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= |main_#t~mem6.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 98075#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~list~0.offset |main_#t~malloc11.offset|)), 98074#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 98077#(and (not (= 0 main_~list~0.base)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0) (not (= main_~list~0.base |main_#t~mem13.base|))), 98076#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0) 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 98079#(and (not (= 0 main_~list~0.base)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0)), 98078#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0) 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~list~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))), 98081#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0) 0) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 98080#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~list~0.base main_~end~0.base) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0) 0)), 98083#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem20.offset| 0)) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem20.base|) (or (= main_~list~0.offset |main_#t~mem20.offset|) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 98082#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0) 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 98085#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base main_~list~0.base)) (and (or (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (or (= main_~end~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))) (= main_~end~0.base main_~list~0.base))), 98084#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (= main_~list~0.offset main_~end~0.offset) (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (or (= main_~end~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 98087#(and (or (and (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base)) (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (not (= 0 main_~list~0.base))), 98086#(and (not (= 0 main_~list~0.base)) (or (and (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem20.base|) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (or (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.base|) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 98089#(and (or (and (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|))) (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem24.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|))))) (and (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) |main_#t~mem24.offset|)) (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem24.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (not (= 0 main_~list~0.base))), 98088#(and (not (= 0 main_~list~0.base)) (or (and (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 98091#(or (= 0 main_~end~0.base) (and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (not (= 0 main_~end~0.offset))), 98090#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 98093#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 98092#(or (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 main_~list~0.offset)) (= 0 main_~list~0.base)), 98095#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base)))), 98094#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem24.base|)))), 98097#(= 1 (select |#valid| main_~list~0.base)), 98096#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:53:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:14,775 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:53:14,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:53:14,776 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:53:14,776 INFO L87 Difference]: Start difference. First operand 583 states and 645 transitions. Second operand 34 states. [2018-02-04 03:53:16,483 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 83 DAG size of output 73 [2018-02-04 03:53:17,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:53:17,250 INFO L93 Difference]: Finished difference Result 624 states and 688 transitions. [2018-02-04 03:53:17,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-02-04 03:53:17,251 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 77 [2018-02-04 03:53:17,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:53:17,251 INFO L225 Difference]: With dead ends: 624 [2018-02-04 03:53:17,251 INFO L226 Difference]: Without dead ends: 624 [2018-02-04 03:53:17,251 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2072 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1060, Invalid=5912, Unknown=0, NotChecked=0, Total=6972 [2018-02-04 03:53:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2018-02-04 03:53:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 606. [2018-02-04 03:53:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2018-02-04 03:53:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 671 transitions. [2018-02-04 03:53:17,254 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 671 transitions. Word has length 77 [2018-02-04 03:53:17,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:53:17,254 INFO L432 AbstractCegarLoop]: Abstraction has 606 states and 671 transitions. [2018-02-04 03:53:17,254 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:53:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 671 transitions. [2018-02-04 03:53:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:53:17,254 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:53:17,254 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:53:17,254 INFO L371 AbstractCegarLoop]: === Iteration 115 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:53:17,254 INFO L82 PathProgramCache]: Analyzing trace with hash -722407533, now seen corresponding path program 2 times [2018-02-04 03:53:17,255 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:53:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:53:17,260 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:53:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:17,644 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:53:17,644 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:53:17,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:53:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:17,645 INFO L182 omatonBuilderFactory]: Interpolants [99457#(and (= main_~list~0.offset 0) (<= 8 (select |#length| main_~list~0.base))), 99456#(and (<= 8 (select |#length| main_~end~0.base)) (= 0 main_~end~0.offset)), 99429#false, 99428#true, 99431#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 99430#(= (select |#valid| main_~list~0.base) 1), 99433#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 99432#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc4.offset| 0)), 99435#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 99434#(and (= |main_#t~mem6.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 99437#(and (not (= main_~list~0.base |main_#t~malloc11.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset)) (= 0 |main_#t~malloc11.offset|) (not (= main_~end~0.base |main_#t~malloc11.base|))), 99436#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 99439#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))), 99438#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 99441#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)), 99440#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))), 99443#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem20.offset|) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 99442#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 99445#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 99444#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 99447#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (<= (+ main_~end~0.offset 8) (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 99446#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 99449#(and (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem24.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem24.base|) 0))), 99448#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 99451#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 99450#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 99453#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.offset 0)))), 99452#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) 0))), 99455#(and (or (not (= main_~list~0.offset 0)) (= 0 main_~end~0.offset)) (<= 8 (select |#length| main_~end~0.base))), 99454#(and (or (not (= main_~list~0.offset 0)) (= 0 |main_#t~mem24.offset|)) (<= 8 (select |#length| |main_#t~mem24.base|)))] [2018-02-04 03:53:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:17,645 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:53:17,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:53:17,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:53:17,645 INFO L87 Difference]: Start difference. First operand 606 states and 671 transitions. Second operand 30 states. [2018-02-04 03:53:18,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:53:18,685 INFO L93 Difference]: Finished difference Result 626 states and 690 transitions. [2018-02-04 03:53:18,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:53:18,685 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 77 [2018-02-04 03:53:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:53:18,686 INFO L225 Difference]: With dead ends: 626 [2018-02-04 03:53:18,686 INFO L226 Difference]: Without dead ends: 626 [2018-02-04 03:53:18,686 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=322, Invalid=3218, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:53:18,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-02-04 03:53:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 607. [2018-02-04 03:53:18,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2018-02-04 03:53:18,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 672 transitions. [2018-02-04 03:53:18,688 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 672 transitions. Word has length 77 [2018-02-04 03:53:18,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:53:18,689 INFO L432 AbstractCegarLoop]: Abstraction has 607 states and 672 transitions. [2018-02-04 03:53:18,689 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:53:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 672 transitions. [2018-02-04 03:53:18,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:53:18,689 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:53:18,689 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:53:18,689 INFO L371 AbstractCegarLoop]: === Iteration 116 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:53:18,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1924608941, now seen corresponding path program 7 times [2018-02-04 03:53:18,690 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:53:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:53:18,700 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:53:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:19,565 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:53:19,565 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:53:19,565 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:53:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:19,565 INFO L182 omatonBuilderFactory]: Interpolants [100751#true, 100753#(= |main_#t~malloc0.offset| 0), 100752#false, 100755#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 100754#(= main_~list~0.offset 0), 100757#(and (= main_~list~0.offset 0) (not (= main_~end~0.base |main_#t~malloc4.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc4.offset|)), 100756#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 100759#(and (= main_~list~0.offset 0) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 100758#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 100761#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~end~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 100760#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0)), 100763#(and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 100762#(and (= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~malloc11.base|)) (not (= main_~end~0.base |main_#t~malloc11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.base|)) main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc11.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 100765#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 1) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0)), 100764#(and (= main_~list~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 100767#(and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)), 100766#(and (= main_~list~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc4.base|))), 100769#(and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0)), 100768#(and (= main_~list~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 100771#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 100770#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)))) (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)))) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc4.offset|) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc4.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~malloc4.offset|)), 100773#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (or (and (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 100772#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.offset|) (= main_~list~0.offset |main_#t~mem6.offset|)), 100775#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))))), 100774#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 100777#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 100776#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 100779#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 100778#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 100781#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 100780#(or (= 1 (select |#valid| |main_#t~mem18.base|)) (and (= 0 |main_#t~mem18.base|) (= 0 |main_#t~mem18.offset|))), 100782#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:53:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:53:19,566 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:53:19,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:53:19,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:53:19,566 INFO L87 Difference]: Start difference. First operand 607 states and 672 transitions. Second operand 32 states. Received shutdown request... [2018-02-04 03:53:20,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:53:20,491 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 03:53:20,495 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 03:53:20,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:53:20 BoogieIcfgContainer [2018-02-04 03:53:20,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:53:20,496 INFO L168 Benchmark]: Toolchain (without parser) took 177869.12 ms. Allocated memory was 398.5 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 355.3 MB in the beginning and 699.7 MB in the end (delta: -344.4 MB). Peak memory consumption was 709.5 MB. Max. memory is 5.3 GB. [2018-02-04 03:53:20,497 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 398.5 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:53:20,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.69 ms. Allocated memory is still 398.5 MB. Free memory was 355.3 MB in the beginning and 343.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 03:53:20,497 INFO L168 Benchmark]: Boogie Preprocessor took 30.39 ms. Allocated memory is still 398.5 MB. Free memory was 343.4 MB in the beginning and 342.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 03:53:20,497 INFO L168 Benchmark]: RCFGBuilder took 329.29 ms. Allocated memory is still 398.5 MB. Free memory was 340.8 MB in the beginning and 308.1 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 5.3 GB. [2018-02-04 03:53:20,497 INFO L168 Benchmark]: TraceAbstraction took 177339.78 ms. Allocated memory was 398.5 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 308.1 MB in the beginning and 699.7 MB in the end (delta: -391.6 MB). Peak memory consumption was 662.2 MB. Max. memory is 5.3 GB. [2018-02-04 03:53:20,499 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 398.5 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 166.69 ms. Allocated memory is still 398.5 MB. Free memory was 355.3 MB in the beginning and 343.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.39 ms. Allocated memory is still 398.5 MB. Free memory was 343.4 MB in the beginning and 342.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 329.29 ms. Allocated memory is still 398.5 MB. Free memory was 340.8 MB in the beginning and 308.1 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 177339.78 ms. Allocated memory was 398.5 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 308.1 MB in the beginning and 699.7 MB in the end (delta: -391.6 MB). Peak memory consumption was 662.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1048). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1045). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1028). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1047). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1028). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1045). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1054). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1047). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1054). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1048). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (607states) and interpolant automaton (currently 20 states, 32 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 59. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 47 error locations. TIMEOUT Result, 177.3s OverallTime, 116 OverallIterations, 5 TraceHistogramMax, 130.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9238 SDtfs, 38298 SDslu, 98610 SDs, 0 SdLazy, 151780 SolverSat, 9977 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5256 GetRequests, 295 SyntacticMatches, 199 SemanticMatches, 4761 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55133 ImplicationChecksByTransitivity, 94.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=720occurred in iteration=111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 81/3072 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 115 MinimizatonAttempts, 7672 StatesRemovedByMinimization, 114 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 43.3s InterpolantComputationTime, 7097 NumberOfCodeBlocks, 7097 NumberOfCodeBlocksAsserted, 116 NumberOfCheckSat, 6981 ConstructedInterpolants, 0 QuantifiedInterpolants, 13680001 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 116 InterpolantComputations, 10 PerfectInterpolantSequences, 81/3072 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-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-53-20-505.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-53-20-505.csv Completed graceful shutdown